https://igcsesciencerevision.com/biology/characteristics-of-living-organisms.html https://i.ytimg.com/vi/2PHu3-LnzEQ/maxresdefault.jpg Characteristics of Living Organisms | Edexcel IGCSE Biology Revision The eight life processes shared by all living organisms — the MRS GREN characteristics — and how to tell whether something is living. https://www.youtube.com/embed/2PHu3-LnzEQ 146 2026-07-07T11:15:00Z yes https://igcsesciencerevision.com/biology/organism-groups-required-features-and-examples.html https://i.ytimg.com/vi/LkG-rWNZvxY/maxresdefault.jpg Organism Groups: Required Features and Examples | Edexcel IGCSE Biology Revision Covers compare the required features of plants, animals and fungi, Recall how each group stores carbohydrate and Use named examples to identify organism groups. https://www.youtube.com/embed/LkG-rWNZvxY 175 2026-07-17T11:18:28Z yes https://igcsesciencerevision.com/biology/variety-of-living-organisms.html https://i.ytimg.com/vi/hsl-Va7-Z4Q/maxresdefault.jpg Variety of Living Organisms | Edexcel IGCSE Biology Revision The main groups of living organisms — plants, animals, fungi, bacteria, protoctists and viruses — with the key features and an example of each. https://www.youtube.com/embed/hsl-Va7-Z4Q 209 2026-07-07T11:15:02Z yes https://igcsesciencerevision.com/biology/pathogens-and-viruses.html https://i.ytimg.com/vi/1AJNxCWkgK4/maxresdefault.jpg Pathogens and Viruses | Edexcel IGCSE Biology Revision What a pathogen is, the four types (bacteria, fungi, protoctists and viruses), the structure of a virus, and why viruses are not truly living. https://www.youtube.com/embed/1AJNxCWkgK4 163 2026-07-16T12:43:06Z yes https://igcsesciencerevision.com/biology/levels-of-organisation.html https://i.ytimg.com/vi/Jj14lF3EKpk/maxresdefault.jpg Levels of Organisation | Edexcel IGCSE Biology Revision How organelles, cells, tissues, organs and organ systems build up to a whole organism, with animal and plant examples. https://www.youtube.com/embed/Jj14lF3EKpk 122 2026-07-07T11:15:05Z yes https://igcsesciencerevision.com/biology/animal-and-plant-cells.html https://i.ytimg.com/vi/X-yAqgreXSY/maxresdefault.jpg Animal and Plant Cells | Edexcel IGCSE Biology Revision The parts of animal and plant cells, what each part does, and the features found only in plant cells. https://www.youtube.com/embed/X-yAqgreXSY 192 2026-07-07T11:15:18Z yes https://igcsesciencerevision.com/biology/specialised-cells-and-stem-cells-triple.html https://i.ytimg.com/vi/AYFDAbjD85U/maxresdefault.jpg Specialised Cells and Stem Cells | Edexcel IGCSE Biology Revision How cells become specialised (differentiation), examples of specialised cells, and the uses and ethics of stem cells. https://www.youtube.com/embed/AYFDAbjD85U 178 2026-07-07T11:15:44Z yes https://igcsesciencerevision.com/biology/biological-molecules.html https://i.ytimg.com/vi/zwJJU9X25vc/maxresdefault.jpg Biological Molecules | Edexcel IGCSE Biology Revision Carbohydrates, proteins and lipids — the elements they contain and the building blocks they are made from. https://www.youtube.com/embed/zwJJU9X25vc 159 2026-07-07T11:15:50Z yes https://igcsesciencerevision.com/biology/food-tests.html https://i.ytimg.com/vi/CfLOtAFbGLM/maxresdefault.jpg Food Tests | Edexcel IGCSE Biology Revision The Benedict's, iodine, Biuret and emulsion tests for sugars, starch, protein and fats, and their positive colour changes. https://www.youtube.com/embed/CfLOtAFbGLM 139 2026-07-07T11:15:51Z yes https://igcsesciencerevision.com/biology/enzymes.html https://i.ytimg.com/vi/yzMpCw34-SE/maxresdefault.jpg Enzymes | Edexcel IGCSE Biology Revision How enzymes work using the lock-and-key model, enzyme specificity, and the effect of temperature and pH on activity. https://www.youtube.com/embed/yzMpCw34-SE 172 2026-07-07T11:15:06Z yes https://igcsesciencerevision.com/biology/investigating-enzymes-practical.html https://i.ytimg.com/vi/-3TlEOKbkOc/maxresdefault.jpg Investigating Enzymes Required Practical | Edexcel IGCSE Biology Revision Required practical: investigating how temperature affects the enzyme amylase, using starch and iodine. https://www.youtube.com/embed/-3TlEOKbkOc 181 2026-07-07T11:15:08Z yes https://igcsesciencerevision.com/biology/investigating-enzymes-and-ph.html https://i.ytimg.com/vi/3We93OdDcxs/maxresdefault.jpg Investigating Enzymes and pH | Edexcel IGCSE Biology Revision Required practical: investigating how pH affects the enzyme amylase, using buffers and iodine. https://www.youtube.com/embed/3We93OdDcxs 174 2026-07-07T11:15:09Z yes https://igcsesciencerevision.com/biology/movement-of-substances.html https://i.ytimg.com/vi/VNDZNPUt7l0/maxresdefault.jpg Movement of Substances | Edexcel IGCSE Biology Revision Diffusion, osmosis and active transport compared — what moves, in which direction, and whether energy is needed. https://www.youtube.com/embed/VNDZNPUt7l0 157 2026-07-07T11:15:10Z yes https://igcsesciencerevision.com/biology/factors-affecting-diffusion-and-movement-rate.html https://i.ytimg.com/vi/RsRi_WPQLL4/maxresdefault.jpg Factors Affecting Diffusion and Movement Rate | Edexcel IGCSE Biology Revision Covers recall the four factors affecting movement rate, Explain each factor using particles and Apply the factors to biological exchange surfaces. https://www.youtube.com/embed/RsRi_WPQLL4 176 2026-07-17T11:17:42Z yes https://igcsesciencerevision.com/biology/diffusion-and-non-living-membrane-practicals.html https://i.ytimg.com/vi/tQN0_fxTiD4/maxresdefault.jpg Diffusion and Non-Living Membrane Practicals | Edexcel IGCSE Biology Revision Covers investigate diffusion using agar cubes, Investigate osmosis through a non-living membrane and Identify variables, measurements and improvements. https://www.youtube.com/embed/tQN0_fxTiD4 180 2026-07-17T11:17:46Z yes https://igcsesciencerevision.com/biology/osmosis-practical.html https://i.ytimg.com/vi/vnPrL6Cz1LM/maxresdefault.jpg Osmosis Required Practical | Edexcel IGCSE Biology Revision Required practical: investigating osmosis in potato tissue and calculating the percentage change in mass. https://www.youtube.com/embed/vnPrL6Cz1LM 165 2026-07-07T11:15:12Z yes https://igcsesciencerevision.com/biology/photosynthesis.html https://i.ytimg.com/vi/J9q0AeWi3yE/maxresdefault.jpg Photosynthesis | Edexcel IGCSE Biology Revision The word and balanced equations for photosynthesis, its raw materials and products, and the role of chlorophyll. https://www.youtube.com/embed/J9q0AeWi3yE 132 2026-07-07T11:15:13Z yes https://igcsesciencerevision.com/biology/limiting-factors.html https://i.ytimg.com/vi/OK47hriV36w/maxresdefault.jpg Limiting Factors | Edexcel IGCSE Biology Revision How light intensity, carbon dioxide and temperature limit the rate of photosynthesis, and the shape of each graph. https://www.youtube.com/embed/OK47hriV36w 138 2026-07-07T11:15:15Z yes https://igcsesciencerevision.com/biology/leaf-tissues-xylem-and-phloem.html https://i.ytimg.com/vi/JwCkVrAh3sk/maxresdefault.jpg Leaf Tissues, Xylem and Phloem | Edexcel IGCSE Biology Revision Covers locate the lower epidermis, xylem and phloem in a leaf, Relate each tissue to its function and Distinguish the substances carried by xylem and phloem. https://www.youtube.com/embed/JwCkVrAh3sk 157 2026-07-17T11:18:30Z yes https://igcsesciencerevision.com/biology/the-leaf-and-minerals.html https://i.ytimg.com/vi/IwQCJerbng4/maxresdefault.jpg The Leaf and Minerals | Edexcel IGCSE Biology Revision The structure of a leaf and its adaptations for photosynthesis, plus why plants need magnesium and nitrate ions. https://www.youtube.com/embed/IwQCJerbng4 151 2026-07-07T11:15:16Z yes https://igcsesciencerevision.com/biology/photosynthesis-practical.html https://i.ytimg.com/vi/tBThBiz9WOI/maxresdefault.jpg Photosynthesis Required Practical | Edexcel IGCSE Biology Revision Required practical: measuring the rate of photosynthesis in pondweed and how light intensity affects it. https://www.youtube.com/embed/tBThBiz9WOI 151 2026-07-07T11:15:19Z yes https://igcsesciencerevision.com/biology/photosynthesis-starch-required-practicals.html https://i.ytimg.com/vi/xX8e5y7qKmk/maxresdefault.jpg Photosynthesis Starch Required Practicals | Edexcel IGCSE Biology Revision Covers test a leaf for starch safely, Investigate the need for light and carbon dioxide and Investigate the need for chlorophyll. https://www.youtube.com/embed/xX8e5y7qKmk 174 2026-07-17T11:17:50Z yes https://igcsesciencerevision.com/biology/a-balanced-diet.html https://i.ytimg.com/vi/tHNVznBeOUY/maxresdefault.jpg A Balanced Diet | Edexcel IGCSE Biology Revision The seven components of a balanced diet, their sources and functions, and how energy needs vary from person to person. https://www.youtube.com/embed/tHNVznBeOUY 160 2026-07-07T11:15:21Z yes https://igcsesciencerevision.com/biology/vitamin-a-and-water-in-a-balanced-diet.html https://i.ytimg.com/vi/QWMu8Xbo6pI/maxresdefault.jpg Vitamin A and Water in a Balanced Diet | Edexcel IGCSE Biology Revision Covers recall sources and functions of vitamin A, Explain why water is an essential dietary component and Link deficiency to biological effects. https://www.youtube.com/embed/QWMu8Xbo6pI 170 2026-07-17T11:18:34Z yes https://igcsesciencerevision.com/biology/duodenum-ileum-colon-and-rectum.html https://i.ytimg.com/vi/J4jrtDfaeFs/maxresdefault.jpg Duodenum, Ileum, Colon and Rectum | Edexcel IGCSE Biology Revision Covers locate four named regions of the alimentary canal, State the main function of each region and Distinguish digestion, absorption and egestion. https://www.youtube.com/embed/J4jrtDfaeFs 154 2026-07-17T11:18:40Z yes https://igcsesciencerevision.com/biology/the-digestive-system.html https://i.ytimg.com/vi/JARgCGl0qlc/maxresdefault.jpg The Digestive System | Edexcel IGCSE Biology Revision The parts of the alimentary canal, what each part does, and how food is moved along by peristalsis. https://www.youtube.com/embed/JARgCGl0qlc 137 2026-07-07T11:15:23Z yes https://igcsesciencerevision.com/biology/digestive-enzymes-and-bile.html https://i.ytimg.com/vi/wmcWYmjw3xw/maxresdefault.jpg Digestive Enzymes and Bile | Edexcel IGCSE Biology Revision How amylase and maltase convert starch into glucose, what protease and lipase produce, where the enzymes are made, and the two roles of bile. https://www.youtube.com/embed/wmcWYmjw3xw 174 2026-07-16T11:26:01Z yes https://igcsesciencerevision.com/biology/absorption.html https://i.ytimg.com/vi/kcyM18AqqgE/maxresdefault.jpg Absorption | Edexcel IGCSE Biology Revision How the villi in the small intestine are adapted for the fast, efficient absorption of digested food. https://www.youtube.com/embed/kcyM18AqqgE 132 2026-07-07T11:15:26Z yes https://igcsesciencerevision.com/biology/energy-in-food-practical.html https://i.ytimg.com/vi/CdjOYwKfZmo/maxresdefault.jpg Energy in Food Required Practical | Edexcel IGCSE Biology Revision Required practical: measuring the energy in a food sample by burning it to heat water, and the energy calculation. https://www.youtube.com/embed/CdjOYwKfZmo 158 2026-07-07T11:15:27Z yes https://igcsesciencerevision.com/biology/food-energy-practical-reliable-measurements.html https://i.ytimg.com/vi/hHMn9qubiVk/maxresdefault.jpg Food Energy Practical: Reliable Measurements | Edexcel IGCSE Biology Revision Covers calculate energy transferred per gram of food burned, Identify variables and reliability improvements and Evaluate major sources of heat loss. https://www.youtube.com/embed/hHMn9qubiVk 164 2026-07-17T11:18:43Z yes https://igcsesciencerevision.com/biology/respiration.html https://i.ytimg.com/vi/vIXmbAIoOUg/maxresdefault.jpg Respiration | Edexcel IGCSE Biology Revision Aerobic and anaerobic respiration compared — the equations, the energy released, and lactic acid and fermentation. https://www.youtube.com/embed/vIXmbAIoOUg 189 2026-07-07T11:15:29Z yes https://igcsesciencerevision.com/biology/atp-uses-in-living-cells.html https://i.ytimg.com/vi/miyLioy88sc/maxresdefault.jpg ATP Uses in Living Cells | Edexcel IGCSE Biology Revision Covers link respiration to ATP production, Recall three cellular uses of ATP and Explain why ATP must be regenerated continuously. https://www.youtube.com/embed/miyLioy88sc 156 2026-07-17T11:18:46Z yes https://igcsesciencerevision.com/biology/respiration-practical.html https://i.ytimg.com/vi/9VmuwCqFvpY/maxresdefault.jpg Respiration Required Practical | Edexcel IGCSE Biology Revision Required practical: showing that respiring organisms release carbon dioxide and heat, using a control. https://www.youtube.com/embed/9VmuwCqFvpY 137 2026-07-07T11:15:31Z yes https://igcsesciencerevision.com/biology/gas-exchange-in-plants.html https://i.ytimg.com/vi/C5ZDGJrJ3MY/maxresdefault.jpg Gas Exchange in Plants | Edexcel IGCSE Biology Revision Net gas exchange in plants in the light and in the dark, and the compensation point where the two rates are equal. https://www.youtube.com/embed/C5ZDGJrJ3MY 172 2026-07-07T11:15:32Z yes https://igcsesciencerevision.com/biology/light-and-gas-exchange.html https://i.ytimg.com/vi/FujoZB56BK8/maxresdefault.jpg Light and Gas Exchange | Edexcel IGCSE Biology Revision Required practical: using hydrogencarbonate indicator to investigate the effect of light on gas exchange in plants. https://www.youtube.com/embed/FujoZB56BK8 158 2026-07-07T11:15:33Z yes https://igcsesciencerevision.com/biology/bronchioles-and-pleural-membranes.html https://i.ytimg.com/vi/xrohEhGLOiU/maxresdefault.jpg Bronchioles and Pleural Membranes | Edexcel IGCSE Biology Revision Covers trace the route of air to the alveoli, State the roles of bronchioles and pleural membranes and Relate thorax structures to ventilation. https://www.youtube.com/embed/xrohEhGLOiU 154 2026-07-17T11:18:48Z yes https://igcsesciencerevision.com/biology/breathing-and-the-lungs.html https://i.ytimg.com/vi/Ob_pxyulmic/maxresdefault.jpg Breathing and the Lungs | Edexcel IGCSE Biology Revision The breathing system, how we breathe in and out, and how the alveoli are adapted for gas exchange. https://www.youtube.com/embed/Ob_pxyulmic 165 2026-07-07T11:15:35Z yes https://igcsesciencerevision.com/biology/smoking-and-the-lungs.html https://i.ytimg.com/vi/N8pmqDFv174/maxresdefault.jpg Smoking and the Lungs | Edexcel IGCSE Biology Revision The harmful substances in tobacco smoke and their effects on the lungs, including emphysema and disease. https://www.youtube.com/embed/N8pmqDFv174 157 2026-07-07T11:15:36Z yes https://igcsesciencerevision.com/biology/exercise-and-breathing.html https://i.ytimg.com/vi/9WDxgFhyXzc/maxresdefault.jpg Exercise and Breathing | Edexcel IGCSE Biology Revision Required practical: how exercise affects breathing rate, why muscles need more oxygen, and the oxygen debt. https://www.youtube.com/embed/9WDxgFhyXzc 162 2026-07-07T11:15:38Z yes https://igcsesciencerevision.com/biology/investigating-carbon-dioxide-in-exhaled-air.html https://i.ytimg.com/vi/49QqXW5YpKo/maxresdefault.jpg Investigating Carbon Dioxide in Exhaled Air | Edexcel IGCSE Biology Revision Covers compare carbon dioxide in inhaled and exhaled air, Use a suitable indicator and control and Design a safe and repeatable method. https://www.youtube.com/embed/49QqXW5YpKo 169 2026-07-17T11:17:54Z yes https://igcsesciencerevision.com/biology/why-multicellular-organisms-need-transport-systems.html https://i.ytimg.com/vi/Psz0WcsBcpA/maxresdefault.jpg Why Multicellular Organisms Need Transport Systems | Edexcel IGCSE Biology Revision Covers explain why diffusion is sufficient for unicellular organisms, Explain why multicellular organisms need transport systems and Recall the substances transported in plant phloem. https://www.youtube.com/embed/Psz0WcsBcpA 176 2026-07-17T11:17:57Z yes https://igcsesciencerevision.com/biology/transport-in-plants.html https://i.ytimg.com/vi/IBLzeDBILSM/maxresdefault.jpg Transport in Plants | Edexcel IGCSE Biology Revision Xylem and phloem compared, and how root hair cells are adapted to absorb water and mineral ions. https://www.youtube.com/embed/IBLzeDBILSM 169 2026-07-07T11:15:40Z yes https://igcsesciencerevision.com/biology/transpiration.html https://i.ytimg.com/vi/gYBS8mWDQQc/maxresdefault.jpg Transpiration | Edexcel IGCSE Biology Revision What transpiration is, the four factors that affect its rate, and how a potometer measures water uptake. https://www.youtube.com/embed/gYBS8mWDQQc 197 2026-07-07T11:15:41Z yes https://igcsesciencerevision.com/biology/the-blood.html https://i.ytimg.com/vi/9YT6iJy8X-4/maxresdefault.jpg The Blood | Edexcel IGCSE Biology Revision The four components of blood and their jobs, and how red blood cells are adapted to carry oxygen. https://www.youtube.com/embed/9YT6iJy8X-4 156 2026-07-07T11:15:43Z yes https://igcsesciencerevision.com/biology/the-immune-system.html https://i.ytimg.com/vi/Ia0jezmg9Qo/maxresdefault.jpg The Immune System | Edexcel IGCSE Biology Revision How phagocytes and lymphocytes fight pathogens, why antibodies are specific, and how vaccines give immunity. https://www.youtube.com/embed/Ia0jezmg9Qo 164 2026-07-07T11:15:46Z yes https://igcsesciencerevision.com/biology/heart-structure-valves-and-exercise.html https://i.ytimg.com/vi/29adZZjB0vU/maxresdefault.jpg Heart Structure, Valves and Exercise | Edexcel IGCSE Biology Revision Covers identify the chambers, valves, septum and major vessels, Explain one-way blood flow through the heart and Explain why exercise increases heart rate. https://www.youtube.com/embed/29adZZjB0vU 162 2026-07-17T11:18:00Z yes https://igcsesciencerevision.com/biology/the-heart.html https://i.ytimg.com/vi/4dYuuNnUwcM/maxresdefault.jpg The Heart | Edexcel IGCSE Biology Revision The four chambers of the heart, the path blood takes through it, and why the left ventricle wall is thickest. https://www.youtube.com/embed/4dYuuNnUwcM 160 2026-07-07T11:15:47Z yes https://igcsesciencerevision.com/biology/blood-vessels.html https://i.ytimg.com/vi/S3yGgvFZe7Q/maxresdefault.jpg Blood Vessels | Edexcel IGCSE Biology Revision Arteries, veins and capillaries compared, how each is adapted, and how coronary heart disease develops. https://www.youtube.com/embed/S3yGgvFZe7Q 173 2026-07-07T11:15:49Z yes https://igcsesciencerevision.com/biology/double-circulation.html https://i.ytimg.com/vi/QF4ztTpaALU/maxresdefault.jpg Double Circulation | Edexcel IGCSE Biology Revision The pulmonary and systemic circuits, and why a double circulation is more efficient than a single one. https://www.youtube.com/embed/QF4ztTpaALU 148 2026-07-07T11:16:50Z yes https://igcsesciencerevision.com/biology/named-blood-vessels-in-the-circulatory-system.html https://i.ytimg.com/vi/jUNS0n0aCiA/maxresdefault.jpg Named Blood Vessels in the Circulatory System | Edexcel IGCSE Biology Revision Covers name the vessels serving the heart and lungs, Name the vessels serving the liver and kidneys and Trace blood through the double circulation. https://www.youtube.com/embed/jUNS0n0aCiA 154 2026-07-17T11:18:03Z yes https://igcsesciencerevision.com/biology/plant-excretion-through-stomata.html https://i.ytimg.com/vi/0pXpgNF-QWw/maxresdefault.jpg Plant Excretion Through Stomata | Edexcel IGCSE Biology Revision Covers identify oxygen and carbon dioxide as plant waste products, Link each waste product to a metabolic process and Explain how gases leave through stomata. https://www.youtube.com/embed/0pXpgNF-QWw 157 2026-07-17T11:18:07Z yes https://igcsesciencerevision.com/biology/excretion.html https://i.ytimg.com/vi/qNkQWxYFRXE/maxresdefault.jpg Excretion | Edexcel IGCSE Biology Revision What excretion is, the three main excretory organs, and where the waste product urea comes from. https://www.youtube.com/embed/qNkQWxYFRXE 140 2026-07-07T11:16:51Z yes https://igcsesciencerevision.com/biology/the-kidney-and-nephron.html https://i.ytimg.com/vi/nWyce2JWiiE/maxresdefault.jpg The Kidney and Nephron | Edexcel IGCSE Biology Revision How the kidney filters the blood by ultrafiltration and selective reabsorption to produce urine. https://www.youtube.com/embed/nWyce2JWiiE 179 2026-07-07T11:16:53Z yes https://igcsesciencerevision.com/biology/nephron-regions-and-selective-reabsorption.html https://i.ytimg.com/vi/2QAuSQa5wLo/maxresdefault.jpg Nephron Regions and Selective Reabsorption | Edexcel IGCSE Biology Revision Covers label the urinary system and nephron regions, Explain ultrafiltration and selective reabsorption and Locate glucose and water reabsorption. https://www.youtube.com/embed/2QAuSQa5wLo 170 2026-07-17T11:18:11Z yes https://igcsesciencerevision.com/biology/water-balance-and-kidney-failure.html https://i.ytimg.com/vi/REqha-Fo3l4/maxresdefault.jpg Water Balance and Kidney Failure | Edexcel IGCSE Biology Revision How ADH controls the water content of the blood by negative feedback, and treatments for kidney failure. https://www.youtube.com/embed/REqha-Fo3l4 176 2026-07-07T11:16:54Z yes https://igcsesciencerevision.com/biology/homeostasis.html https://i.ytimg.com/vi/DebAQLvJu8M/maxresdefault.jpg Homeostasis | Edexcel IGCSE Biology Revision What homeostasis is, the stimulus-receptor-effector-response pathway, and negative feedback. https://www.youtube.com/embed/DebAQLvJu8M 163 2026-07-07T11:16:56Z yes https://igcsesciencerevision.com/biology/plant-responses-tropisms.html https://i.ytimg.com/vi/G1cPEZ4xDoA/maxresdefault.jpg Plant Responses and Tropisms | Edexcel IGCSE Biology Revision Tropisms in plants — phototropism and gravitropism — and how the hormone auxin controls growth. https://www.youtube.com/embed/G1cPEZ4xDoA 161 2026-07-07T11:16:58Z yes https://igcsesciencerevision.com/biology/nervous-vs-hormonal.html https://i.ytimg.com/vi/0shizH4cRoA/maxresdefault.jpg Nervous vs Hormonal Control | Edexcel IGCSE Biology Revision The nervous and hormonal systems compared — their speed, how long effects last, and how messages travel. https://www.youtube.com/embed/0shizH4cRoA 143 2026-07-07T11:16:59Z yes https://igcsesciencerevision.com/biology/nervous-system-and-reflexes.html https://i.ytimg.com/vi/LkJKvXpAe5w/maxresdefault.jpg Nervous System and Reflexes | Edexcel IGCSE Biology Revision The central nervous system, the reflex arc, and how synapses pass impulses between neurones. https://www.youtube.com/embed/LkJKvXpAe5w 161 2026-07-07T11:17:01Z yes https://igcsesciencerevision.com/biology/the-eye.html https://i.ytimg.com/vi/qgQVOiKK2eQ/maxresdefault.jpg The Eye | Edexcel IGCSE Biology Revision The parts of the eye, how the eye focuses on near and far objects (accommodation), and the pupil reflex. https://www.youtube.com/embed/qgQVOiKK2eQ 164 2026-07-07T11:17:03Z yes https://igcsesciencerevision.com/biology/eye-muscles-ligaments-and-responses.html https://i.ytimg.com/vi/BSs09DMaKgs/maxresdefault.jpg Eye Muscles, Ligaments and Responses | Edexcel IGCSE Biology Revision Covers explain accommodation for near and distant objects, Describe antagonistic control of pupil size and Link each muscle response to its effect. https://www.youtube.com/embed/BSs09DMaKgs 152 2026-07-17T11:18:52Z yes https://igcsesciencerevision.com/biology/temperature-control.html https://i.ytimg.com/vi/G6Lc14EQ-_M/maxresdefault.jpg Temperature Control | Edexcel IGCSE Biology Revision How the body keeps a constant core temperature — cooling down when too hot and warming up when too cold. https://www.youtube.com/embed/G6Lc14EQ-_M 164 2026-07-07T11:17:06Z yes https://igcsesciencerevision.com/biology/hormones.html https://i.ytimg.com/vi/IJCYHiMjB34/maxresdefault.jpg Hormones | Edexcel IGCSE Biology Revision The endocrine system, the effects of adrenaline, and how insulin and glucagon control blood glucose. https://www.youtube.com/embed/IJCYHiMjB34 193 2026-07-07T11:17:07Z yes https://igcsesciencerevision.com/biology/sexual-and-asexual-reproduction.html https://i.ytimg.com/vi/cggY2C3eKzg/maxresdefault.jpg Sexual and Asexual Reproduction | Edexcel IGCSE Biology Revision The differences between sexual and asexual reproduction, and the advantages and disadvantages of each. https://www.youtube.com/embed/cggY2C3eKzg 191 2026-07-07T11:15:52Z yes https://igcsesciencerevision.com/biology/fertilisation.html https://i.ytimg.com/vi/oN-KlepTvzA/maxresdefault.jpg Fertilisation | Edexcel IGCSE Biology Revision What fertilisation is and how the male and female gametes join to form a zygote. https://www.youtube.com/embed/oN-KlepTvzA 172 2026-07-16T12:43:11Z yes https://igcsesciencerevision.com/biology/pollination.html https://i.ytimg.com/vi/q86aZD4Wr94/maxresdefault.jpg Pollination | Edexcel IGCSE Biology Revision Pollination in flowering plants, and the differences between insect-pollinated and wind-pollinated flowers. https://www.youtube.com/embed/q86aZD4Wr94 179 2026-07-07T11:16:14Z yes https://igcsesciencerevision.com/biology/seeds-and-fruits.html https://i.ytimg.com/vi/vnlcByX4Xuw/maxresdefault.jpg Seeds and Fruits | Edexcel IGCSE Biology Revision How seeds and fruits form after fertilisation, and the structure of a seed. https://www.youtube.com/embed/vnlcByX4Xuw 139 2026-07-07T11:16:22Z yes https://igcsesciencerevision.com/biology/germination-required-practical.html https://i.ytimg.com/vi/sRHnbd-Id8Q/maxresdefault.jpg Germination Required Practical | Edexcel IGCSE Biology Revision Required practical: investigating the conditions that seeds need in order to germinate. https://www.youtube.com/embed/sRHnbd-Id8Q 198 2026-07-16T12:43:15Z yes https://igcsesciencerevision.com/biology/germination.html https://i.ytimg.com/vi/q0Ci9c1hQLM/maxresdefault.jpg Germination | Edexcel IGCSE Biology Revision The conditions needed for germination — water, oxygen and a suitable temperature. https://www.youtube.com/embed/q0Ci9c1hQLM 169 2026-07-07T11:16:25Z yes https://igcsesciencerevision.com/biology/asexual-reproduction-in-plants.html https://i.ytimg.com/vi/mTVaP8_MrTw/maxresdefault.jpg Asexual Reproduction in Plants | Edexcel IGCSE Biology Revision Natural and artificial asexual reproduction in plants, including growing new plants from cuttings. https://www.youtube.com/embed/mTVaP8_MrTw 157 2026-07-07T11:16:27Z yes https://igcsesciencerevision.com/biology/reproductive-structures-and-their-functions.html https://i.ytimg.com/vi/hA3Hycxy_1w/maxresdefault.jpg Reproductive Structures and Their Functions | Edexcel IGCSE Biology Revision Covers state the functions of male reproductive structures, State the functions of female reproductive structures and Relate structure location to reproductive function. https://www.youtube.com/embed/hA3Hycxy_1w 162 2026-07-17T11:18:55Z yes https://igcsesciencerevision.com/biology/reproductive-systems.html https://i.ytimg.com/vi/B1a2KT6nyuc/maxresdefault.jpg Reproductive Systems | Edexcel IGCSE Biology Revision The human male and female reproductive systems and the function of each part. https://www.youtube.com/embed/B1a2KT6nyuc 125 2026-07-07T11:16:29Z yes https://igcsesciencerevision.com/biology/the-menstrual-cycle.html https://i.ytimg.com/vi/O9Kg8tySaK0/maxresdefault.jpg The Menstrual Cycle | Edexcel IGCSE Biology Revision The stages of the menstrual cycle and the changes in the ovaries and the lining of the uterus. https://www.youtube.com/embed/O9Kg8tySaK0 161 2026-07-07T11:16:30Z yes https://igcsesciencerevision.com/biology/the-menstrual-cycle-triple.html https://i.ytimg.com/vi/HdJiIyMU7Y4/maxresdefault.jpg The Menstrual Cycle (Triple) | Edexcel IGCSE Biology Revision The hormones that control the menstrual cycle — FSH, LH, oestrogen and progesterone. https://www.youtube.com/embed/HdJiIyMU7Y4 218 2026-07-07T11:15:54Z yes https://igcsesciencerevision.com/biology/pregnancy-and-the-placenta.html https://i.ytimg.com/vi/OHyzH7ZZzOA/maxresdefault.jpg Pregnancy and the Placenta | Edexcel IGCSE Biology Revision How the placenta and amniotic fluid support and protect the developing fetus during pregnancy. https://www.youtube.com/embed/OHyzH7ZZzOA 160 2026-07-16T12:43:07Z yes https://igcsesciencerevision.com/biology/puberty.html https://i.ytimg.com/vi/tv_7tModJcw/maxresdefault.jpg Puberty | Edexcel IGCSE Biology Revision The physical changes that happen at puberty and the secondary sexual characteristics. https://www.youtube.com/embed/tv_7tModJcw 126 2026-07-07T11:15:57Z yes https://igcsesciencerevision.com/biology/dna-genes-and-chromosomes.html https://i.ytimg.com/vi/PRvH6G3Dgtw/maxresdefault.jpg DNA, Genes and Chromosomes | Edexcel IGCSE Biology Revision The relationship between DNA, genes and chromosomes, and the structure of a DNA molecule. https://www.youtube.com/embed/PRvH6G3Dgtw 130 2026-07-16T12:43:09Z yes https://igcsesciencerevision.com/biology/protein-synthesis-triple.html https://i.ytimg.com/vi/SauIPT27TtI/maxresdefault.jpg Protein Synthesis | Edexcel IGCSE Biology Revision How genes code for proteins through transcription and translation (protein synthesis). https://www.youtube.com/embed/SauIPT27TtI 166 2026-07-07T11:16:00Z yes https://igcsesciencerevision.com/biology/translation-trna-codons-and-anticodons.html https://i.ytimg.com/vi/EWsjcg7ng60/maxresdefault.jpg Translation: tRNA, Codons and Anticodons | Edexcel IGCSE Biology Revision Covers define codons and anticodons, Explain how tRNA delivers specific amino acids and Describe translation at a ribosome. https://www.youtube.com/embed/EWsjcg7ng60 167 2026-07-17T11:18:16Z yes https://igcsesciencerevision.com/biology/genetics-key-words.html https://i.ytimg.com/vi/8j9XS8lumxk/maxresdefault.jpg Genetics Key Words | Edexcel IGCSE Biology Revision Key genetics terms you must know — gene, allele, dominant, recessive, genotype and phenotype. https://www.youtube.com/embed/8j9XS8lumxk 152 2026-07-07T11:16:01Z yes https://igcsesciencerevision.com/biology/codominance-triple.html https://i.ytimg.com/vi/sDRpLVc3gU8/maxresdefault.jpg Codominance | Edexcel IGCSE Biology Revision Codominance and how to work out genetic crosses, using human blood groups as an example. https://www.youtube.com/embed/sDRpLVc3gU8 163 2026-07-07T11:16:05Z yes https://igcsesciencerevision.com/biology/variation.html https://i.ytimg.com/vi/22yV65EivtY/maxresdefault.jpg Variation | Edexcel IGCSE Biology Revision Genetic and environmental variation, and the difference between continuous and discontinuous variation. https://www.youtube.com/embed/22yV65EivtY 163 2026-07-07T11:16:06Z yes https://igcsesciencerevision.com/biology/monohybrid-crosses.html https://i.ytimg.com/vi/mGofxc8PfTw/maxresdefault.jpg Monohybrid Crosses (Punnett Squares) | Edexcel IGCSE Biology Revision How to complete monohybrid genetic crosses using Punnett squares and predict the offspring ratios. https://www.youtube.com/embed/mGofxc8PfTw 148 2026-07-16T12:43:13Z yes https://igcsesciencerevision.com/biology/family-pedigrees.html https://i.ytimg.com/vi/XQRLPcmqQWM/maxresdefault.jpg Family Pedigrees | Edexcel IGCSE Biology Revision How to read and interpret family pedigree diagrams to follow inherited characteristics. https://www.youtube.com/embed/XQRLPcmqQWM 146 2026-07-07T11:16:10Z yes https://igcsesciencerevision.com/biology/sex-determination.html https://i.ytimg.com/vi/uEZ88aLk72g/maxresdefault.jpg Sex Determination | Edexcel IGCSE Biology Revision How the X and Y sex chromosomes determine whether offspring are male or female. https://www.youtube.com/embed/uEZ88aLk72g 148 2026-07-07T11:16:11Z yes https://igcsesciencerevision.com/biology/mitosis-and-meiosis.html https://i.ytimg.com/vi/7yzYSFtEszc/maxresdefault.jpg Mitosis and Meiosis | Edexcel IGCSE Biology Revision The two types of cell division — mitosis and meiosis — and where each is used in the body. https://www.youtube.com/embed/7yzYSFtEszc 169 2026-07-07T11:16:13Z yes https://igcsesciencerevision.com/biology/mutation.html https://i.ytimg.com/vi/YrFdSSzPi4M/maxresdefault.jpg Mutation | Edexcel IGCSE Biology Revision What a mutation is and how mutations create new alleles and increase variation. https://www.youtube.com/embed/YrFdSSzPi4M 140 2026-07-07T11:16:16Z yes https://igcsesciencerevision.com/biology/from-mutation-to-protein-and-phenotype.html https://i.ytimg.com/vi/q3nJGYY4UeU/maxresdefault.jpg From Mutation to Protein and Phenotype | Edexcel IGCSE Biology Revision Covers explain when a mutation can be inherited, Trace the effect of a mutation from DNA to phenotype and Recognise why some mutations have no observable effect. https://www.youtube.com/embed/q3nJGYY4UeU 175 2026-07-17T11:18:58Z yes https://igcsesciencerevision.com/biology/mutation-triple.html https://i.ytimg.com/vi/Gn8SvFZWvgM/maxresdefault.jpg Mutation - Triple Content | Edexcel IGCSE Biology Revision Mutations and mutagens, and how they can lead to variation and to cancer. https://www.youtube.com/embed/Gn8SvFZWvgM 169 2026-07-07T11:16:17Z yes https://igcsesciencerevision.com/biology/natural-selection.html https://i.ytimg.com/vi/RgZSRZvGD88/maxresdefault.jpg Natural Selection | Edexcel IGCSE Biology Revision How natural selection works and how it drives evolution over many generations. https://www.youtube.com/embed/RgZSRZvGD88 152 2026-07-07T11:16:19Z yes https://igcsesciencerevision.com/biology/antibiotic-resistance.html https://i.ytimg.com/vi/aLk3suGG5Ao/maxresdefault.jpg Antibiotic Resistance | Edexcel IGCSE Biology Revision How antibiotic resistance develops in bacteria through natural selection, and how to reduce it. https://www.youtube.com/embed/aLk3suGG5Ao 155 2026-07-07T11:16:21Z yes https://igcsesciencerevision.com/biology/ecology-key-terms.html https://i.ytimg.com/vi/oaePfRfEDOQ/maxresdefault.jpg Ecology Key Terms | Edexcel IGCSE Biology Revision Key ecology terms you need to know — population, community, habitat and ecosystem. https://www.youtube.com/embed/oaePfRfEDOQ 143 2026-07-07T11:16:32Z yes https://igcsesciencerevision.com/biology/comparing-habitats-and-biodiversity-with-quadrats.html https://i.ytimg.com/vi/WH-M_kQyexA/maxresdefault.jpg Comparing Habitats and Biodiversity with Quadrats | Edexcel IGCSE Biology Revision Covers compare populations in two areas using quadrats, Measure abundance, frequency and percentage cover and Use quadrat data to compare biodiversity. https://www.youtube.com/embed/WH-M_kQyexA 159 2026-07-17T11:18:18Z yes https://igcsesciencerevision.com/biology/studying-ecosystems.html https://i.ytimg.com/vi/kSLo21w1YCI/maxresdefault.jpg Studying Ecosystems | Edexcel IGCSE Biology Revision How to study ecosystems using quadrats and transects to estimate the size of populations. https://www.youtube.com/embed/kSLo21w1YCI 170 2026-07-07T11:16:40Z yes https://igcsesciencerevision.com/biology/feeding-relationships.html https://i.ytimg.com/vi/Gz4vBNEMjyE/maxresdefault.jpg Feeding Relationships | Edexcel IGCSE Biology Revision Food chains and food webs, energy transfer between levels, and pyramids of number and biomass. https://www.youtube.com/embed/Gz4vBNEMjyE 200 2026-07-07T11:16:41Z yes https://igcsesciencerevision.com/biology/the-carbon-cycle.html https://i.ytimg.com/vi/prd6toqUwYs/maxresdefault.jpg The Carbon Cycle | Edexcel IGCSE Biology Revision How carbon moves through the environment via photosynthesis, respiration, decay and combustion. https://www.youtube.com/embed/prd6toqUwYs 161 2026-07-07T11:16:33Z yes https://igcsesciencerevision.com/biology/the-nitrogen-cycle.html https://i.ytimg.com/vi/iBBDsa9X1rk/maxresdefault.jpg The Nitrogen Cycle | Edexcel IGCSE Biology Revision The nitrogen cycle and the roles of the different types of bacteria within it. https://www.youtube.com/embed/iBBDsa9X1rk 179 2026-07-16T12:43:17Z yes https://igcsesciencerevision.com/biology/air-pollution-and-global-warming.html https://i.ytimg.com/vi/hNR36By-AyI/maxresdefault.jpg Air Pollution and Global Warming | Edexcel IGCSE Biology Revision The causes and effects of air pollution, acid rain, and the greenhouse effect and global warming. https://www.youtube.com/embed/hNR36By-AyI 176 2026-07-07T11:16:37Z yes https://igcsesciencerevision.com/biology/human-sources-of-greenhouse-gases.html https://i.ytimg.com/vi/3Cc_UoSVSPM/maxresdefault.jpg Human Sources of Greenhouse Gases | Edexcel IGCSE Biology Revision Covers match named greenhouse gases to human sources, Explain how they increase the greenhouse effect and Suggest source-specific ways to reduce emissions. https://www.youtube.com/embed/3Cc_UoSVSPM 183 2026-07-17T11:19:00Z yes https://igcsesciencerevision.com/biology/water-pollution-and-deforestation.html https://i.ytimg.com/vi/BJ-5BFQRKqQ/maxresdefault.jpg Water Pollution and Deforestation | Edexcel IGCSE Biology Revision How eutrophication pollutes water, and the environmental impact of deforestation. https://www.youtube.com/embed/BJ-5BFQRKqQ 208 2026-07-07T11:16:38Z yes https://igcsesciencerevision.com/biology/crop-production.html https://i.ytimg.com/vi/tolFEjUiJ4o/maxresdefault.jpg Crop Production | Edexcel IGCSE Biology Revision How glasshouses, fertilisers and pest control are used to increase crop yields. https://www.youtube.com/embed/tolFEjUiJ4o 172 2026-07-07T11:16:44Z yes https://igcsesciencerevision.com/biology/biological-control-benefits-and-risks.html https://i.ytimg.com/vi/txe5jseDpQU/maxresdefault.jpg Biological Control: Benefits and Risks | Edexcel IGCSE Biology Revision Covers define biological control, Explain advantages over chemical pesticides and Evaluate limitations and ecological risks. https://www.youtube.com/embed/txe5jseDpQU 162 2026-07-17T11:18:22Z yes https://igcsesciencerevision.com/biology/microorganisms-and-food.html https://i.ytimg.com/vi/lJ4Zc0IcD8k/maxresdefault.jpg Microorganisms and Food | Edexcel IGCSE Biology Revision How microorganisms are used to make food and drink, including yoghurt and bread, using fermenters. https://www.youtube.com/embed/lJ4Zc0IcD8k 188 2026-07-07T11:16:47Z yes https://igcsesciencerevision.com/biology/investigating-yeast-fermentation.html https://i.ytimg.com/vi/339pbLo6RF0/maxresdefault.jpg Investigating Yeast Fermentation | Edexcel IGCSE Biology Revision Covers plan a reproducible yeast fermentation investigation, Identify independent, dependent and control variables and Improve reliability and control practical risks. https://www.youtube.com/embed/339pbLo6RF0 178 2026-07-17T11:19:04Z yes https://igcsesciencerevision.com/biology/fish-farming.html https://i.ytimg.com/vi/khnAA3QOYdo/maxresdefault.jpg Fish Farming | Edexcel IGCSE Biology Revision How fish farming increases food production, and the methods used to maximise the yield. https://www.youtube.com/embed/khnAA3QOYdo 156 2026-07-07T11:16:48Z yes https://igcsesciencerevision.com/biology/fish-farming-water-quality-and-waste.html https://i.ytimg.com/vi/alrelbLtvOE/maxresdefault.jpg Fish Farming: Water Quality and Waste | Edexcel IGCSE Biology Revision Covers explain how intensive fish farms maintain water quality, Link waste removal to fish health and Balance productivity with environmental impact. https://www.youtube.com/embed/alrelbLtvOE 179 2026-07-17T11:19:07Z yes https://igcsesciencerevision.com/biology/selective-breeding.html https://i.ytimg.com/vi/FUdRl6NREs4/maxresdefault.jpg Selective Breeding | Edexcel IGCSE Biology Revision How selective breeding produces plants and animals with desired characteristics over generations. https://www.youtube.com/embed/FUdRl6NREs4 162 2026-07-07T11:16:42Z yes https://igcsesciencerevision.com/biology/dna-ligase-and-recombinant-plasmids.html https://i.ytimg.com/vi/hvF515fjJPc/maxresdefault.jpg DNA Ligase and Recombinant Plasmids | Edexcel IGCSE Biology Revision Covers distinguish restriction enzymes from DNA ligase, Explain how a recombinant plasmid is made and Describe how transformed bacteria are selected. https://www.youtube.com/embed/hvF515fjJPc 155 2026-07-17T11:18:25Z yes https://igcsesciencerevision.com/biology/genetic-modification.html https://i.ytimg.com/vi/N__uHLdaM0A/maxresdefault.jpg Genetic Modification | Edexcel IGCSE Biology Revision What genetic modification is, how it is carried out, and examples such as bacteria making insulin. https://www.youtube.com/embed/N__uHLdaM0A 165 2026-07-07T11:16:43Z yes https://igcsesciencerevision.com/biology/cloning.html https://i.ytimg.com/vi/Xc_6UA_dbMc/maxresdefault.jpg Cloning | Edexcel IGCSE Biology Revision How plants and animals are cloned, including tissue culture and the cloning of Dolly the sheep. https://www.youtube.com/embed/Xc_6UA_dbMc 173 2026-07-07T11:16:46Z yes https://igcsesciencerevision.com/chemistry/states-of-matter.html https://i.ytimg.com/vi/ofpLixTvJ50/maxresdefault.jpg States of Matter | Edexcel IGCSE Chemistry Revision Covers compare particles in solids, liquids and gases, Name each change of state and Explain state changes without overgeneralising particle spacing. https://www.youtube.com/embed/ofpLixTvJ50 182 2026-07-17T11:19:55Z yes https://igcsesciencerevision.com/chemistry/serial-dilution-and-the-particle-model.html https://i.ytimg.com/vi/tFd3S8-Ok04/maxresdefault.jpg Serial Dilution and the Particle Model | Edexcel IGCSE Chemistry Revision Covers carry out a serial dilution, Explain the colour change using particles and Distinguish dilution from diffusion. https://www.youtube.com/embed/tFd3S8-Ok04 165 2026-07-17T11:22:40Z yes https://igcsesciencerevision.com/chemistry/diffusion-and-key-terms.html https://i.ytimg.com/vi/TsUp-umTXZQ/maxresdefault.jpg Diffusion & Key Terms | Edexcel IGCSE Chemistry Revision Diffusion and the key chemistry terms you need, explained with the particle model. https://www.youtube.com/embed/TsUp-umTXZQ 202 2026-06-30T12:57:23Z yes https://igcsesciencerevision.com/chemistry/solubility-and-solubility-curves-paper-2.html https://i.ytimg.com/vi/hOizhBfPIcI/maxresdefault.jpg Solubility and Solubility Curves (Paper 2) | Edexcel IGCSE Chemistry Revision Covers use the correct definition of solubility, Read and interpret solubility curves and Describe a controlled method for measuring solubility. https://www.youtube.com/embed/hOizhBfPIcI 207 2026-07-17T11:19:57Z yes https://igcsesciencerevision.com/chemistry/elements-compounds-and-mixtures.html https://i.ytimg.com/vi/fg-ruraFGV8/maxresdefault.jpg Elements, Compounds & Mixtures | Edexcel IGCSE Chemistry Revision The differences between elements, compounds and mixtures, with examples. https://www.youtube.com/embed/fg-ruraFGV8 201 2026-06-30T12:58:23Z yes https://igcsesciencerevision.com/chemistry/separating-mixtures.html https://i.ytimg.com/vi/ogn-GqlxErs/maxresdefault.jpg Separating Mixtures | Edexcel IGCSE Chemistry Revision Separating mixtures by filtration, crystallisation, evaporation and distillation. https://www.youtube.com/embed/ogn-GqlxErs 193 2026-06-30T12:58:24Z yes https://igcsesciencerevision.com/chemistry/chromatography-and-rf-values.html https://i.ytimg.com/vi/L3fvtdt_Az8/maxresdefault.jpg Chromatography & Rf Values | Edexcel IGCSE Chemistry Revision How paper chromatography separates mixtures, and how to calculate Rf values. https://www.youtube.com/embed/L3fvtdt_Az8 175 2026-06-30T12:58:26Z yes https://igcsesciencerevision.com/chemistry/atomic-structure-and-isotopes.html https://i.ytimg.com/vi/iIK8S6WyiZM/maxresdefault.jpg Atomic Structure & Isotopes | Edexcel IGCSE Chemistry Revision The structure of the atom, atomic number and mass number, and isotopes. https://www.youtube.com/embed/iIK8S6WyiZM 208 2026-06-30T12:58:28Z yes https://igcsesciencerevision.com/chemistry/the-periodic-table-and-electronic-configuration.html https://i.ytimg.com/vi/c_CpXzB2ge4/maxresdefault.jpg The Periodic Table & Electronic Configuration | Edexcel IGCSE Chemistry Revision How the periodic table is arranged and how to write electronic configurations. https://www.youtube.com/embed/c_CpXzB2ge4 183 2026-06-30T12:58:29Z yes https://igcsesciencerevision.com/chemistry/classifying-elements-using-conductivity-and-oxides.html https://i.ytimg.com/vi/5eXFLelmjII/maxresdefault.jpg Classifying Elements Using Conductivity and Oxides | Edexcel IGCSE Chemistry Revision Covers use conductivity to classify elements, Link metal oxides to basic behaviour and Link non-metal oxides to acidic behaviour. https://www.youtube.com/embed/5eXFLelmjII 150 2026-07-17T11:22:37Z yes https://igcsesciencerevision.com/chemistry/groups-metals-and-non-metals.html https://i.ytimg.com/vi/wcnITBAZ6A0/maxresdefault.jpg Groups, Metals & Non-metals | Edexcel IGCSE Chemistry Revision Groups and periods, and the properties of metals and non-metals. https://www.youtube.com/embed/wcnITBAZ6A0 189 2026-06-30T12:58:31Z yes https://igcsesciencerevision.com/chemistry/equations-and-relative-formula-mass.html https://i.ytimg.com/vi/W4uVemjVEUo/maxresdefault.jpg Equations & Relative Formula Mass | Edexcel IGCSE Chemistry Revision Writing balanced chemical equations and calculating relative formula mass. https://www.youtube.com/embed/W4uVemjVEUo 197 2026-06-30T12:58:32Z yes https://igcsesciencerevision.com/chemistry/the-mole-reacting-masses-and-percent-yield.html https://i.ytimg.com/vi/SJfQLdZJ1Qs/maxresdefault.jpg The Mole, Reacting Masses & % Yield | Edexcel IGCSE Chemistry Revision The mole, reacting-mass calculations and percentage yield. https://www.youtube.com/embed/SJfQLdZJ1Qs 197 2026-06-30T12:58:34Z yes https://igcsesciencerevision.com/chemistry/empirical-and-molecular-formulae-from-data.html https://i.ytimg.com/vi/qJj-UcIbREM/maxresdefault.jpg Empirical and Molecular Formulae from Data | Edexcel IGCSE Chemistry Revision Covers find empirical formulae from experimental masses, Use water-of-crystallisation data and Find molecular formulae from Mr. https://www.youtube.com/embed/qJj-UcIbREM 162 2026-07-17T11:22:34Z yes https://igcsesciencerevision.com/chemistry/empirical-and-molecular-formulae.html https://i.ytimg.com/vi/YKa5YIe0-50/maxresdefault.jpg Empirical & Molecular Formulae | Edexcel IGCSE Chemistry Revision How to work out empirical and molecular formulae from experimental data. https://www.youtube.com/embed/YKa5YIe0-50 203 2026-06-30T12:58:36Z yes https://igcsesciencerevision.com/chemistry/mole-calculations-solutions-and-gas-volumes.html https://i.ytimg.com/vi/8WuGr1Oflm4/maxresdefault.jpg Mole Calculations: Solutions & Gas Volumes | Edexcel IGCSE Chemistry Revision Mole calculations involving the concentrations of solutions and volumes of gases. https://www.youtube.com/embed/8WuGr1Oflm4 181 2026-06-30T12:58:37Z yes https://igcsesciencerevision.com/chemistry/ionic-bonding.html https://i.ytimg.com/vi/7ywx9AKfXAQ/maxresdefault.jpg Ionic Bonding | Edexcel IGCSE Chemistry Revision How ionic bonds form, ionic structures, and the properties of ionic compounds. https://www.youtube.com/embed/7ywx9AKfXAQ 195 2026-06-30T12:58:38Z yes https://igcsesciencerevision.com/chemistry/ion-charges-ionic-formulae-and-dot-and-cross-diagrams.html https://i.ytimg.com/vi/X5JiQHv31sk/maxresdefault.jpg Ion Charges, Ionic Formulae and Dot-and-Cross Diagrams | Edexcel IGCSE Chemistry Revision Covers recall the required ion charges, Construct neutral ionic formulae and Draw dot-and-cross diagrams for unequal ion ratios. https://www.youtube.com/embed/X5JiQHv31sk 203 2026-07-17T11:23:04Z yes https://igcsesciencerevision.com/chemistry/covalent-bonding-and-simple-molecules.html https://i.ytimg.com/vi/LH67flCwBOM/maxresdefault.jpg Covalent Bonding & Simple Molecules | Edexcel IGCSE Chemistry Revision How covalent bonds form and the properties of simple molecular substances. https://www.youtube.com/embed/LH67flCwBOM 189 2026-06-30T12:58:40Z yes https://igcsesciencerevision.com/chemistry/covalent-bonds-dot-and-cross-diagrams-and-boiling-points.html https://i.ytimg.com/vi/Naoz4k5b08M/maxresdefault.jpg Covalent Bonds, Dot-and-Cross Diagrams and Boiling Points | Edexcel IGCSE Chemistry Revision Covers explain the electrostatic attraction in a covalent bond, Draw the required range of simple molecules and Link relative molecular mass to melting and boiling point. https://www.youtube.com/embed/Naoz4k5b08M 165 2026-07-17T11:22:59Z yes https://igcsesciencerevision.com/chemistry/giant-covalent-structures.html https://i.ytimg.com/vi/HmxV-LnV_1g/maxresdefault.jpg Giant Covalent Structures | Edexcel IGCSE Chemistry Revision Giant covalent structures such as diamond, graphite and silicon dioxide. https://www.youtube.com/embed/HmxV-LnV_1g 204 2026-06-30T12:58:42Z yes https://igcsesciencerevision.com/chemistry/diamond-graphite-and-c60-compared.html https://i.ytimg.com/vi/9mi0NEosU50/maxresdefault.jpg Diamond, Graphite and C60 Compared | Edexcel IGCSE Chemistry Revision Covers compare bonding in three carbon allotropes, Explain hardness and conductivity and Explain melting-point differences. https://www.youtube.com/embed/9mi0NEosU50 156 2026-07-17T11:22:30Z yes https://igcsesciencerevision.com/chemistry/metallic-bonding.html https://i.ytimg.com/vi/T_1Oaj_A5Dw/maxresdefault.jpg Metallic Bonding | Edexcel IGCSE Chemistry Revision How metallic bonding works and how it explains the properties of metals. https://www.youtube.com/embed/T_1Oaj_A5Dw 185 2026-06-30T12:58:43Z yes https://igcsesciencerevision.com/chemistry/electrolysis-principles-paper-2.html https://i.ytimg.com/vi/PBktnnOZ-yQ/maxresdefault.jpg Electrolysis Principles (Paper 2) | Edexcel IGCSE Chemistry Revision Covers define an electrolyte accurately, Explain ion movement and electron transfer and Predict products for molten and named aqueous electrolytes. https://www.youtube.com/embed/PBktnnOZ-yQ 198 2026-07-17T11:20:00Z yes https://igcsesciencerevision.com/chemistry/electrolysis-experiments-and-half-equations-paper-2.html https://i.ytimg.com/vi/fJj2ZC11MH4/maxresdefault.jpg Electrolysis Experiments and Half-Equations (Paper 2) | Edexcel IGCSE Chemistry Revision Covers recall the products for four named electrolytes, Write balanced electrode half-equations and Describe a safe, reproducible aqueous electrolysis practical. https://www.youtube.com/embed/fJj2ZC11MH4 216 2026-07-17T11:20:04Z yes https://igcsesciencerevision.com/chemistry/group-1-the-alkali-metals.html https://i.ytimg.com/vi/Y_Qyw_L0OfY/maxresdefault.jpg Group 1: The Alkali Metals | Edexcel IGCSE Chemistry Revision The properties, reactions and trends of the Group 1 alkali metals. https://www.youtube.com/embed/Y_Qyw_L0OfY 194 2026-06-30T12:58:49Z yes https://igcsesciencerevision.com/chemistry/group-7-the-halogens-and-displacement.html https://i.ytimg.com/vi/4sqAhkkmgg0/maxresdefault.jpg Group 7: The Halogens & Displacement | Edexcel IGCSE Chemistry Revision The properties and trends of the Group 7 halogens, and displacement reactions. https://www.youtube.com/embed/4sqAhkkmgg0 200 2026-06-30T12:58:50Z yes https://igcsesciencerevision.com/chemistry/air-composition-combustion-in-oxygen-and-carbonate-decomposition.html https://i.ytimg.com/vi/ERb07kaxh5Q/maxresdefault.jpg Air Composition, Combustion in Oxygen and Carbonate Decomposition | Edexcel IGCSE Chemistry Revision Covers recall the main gases in dry air, Describe three elements burning in oxygen and Explain the thermal decomposition of copper carbonate. https://www.youtube.com/embed/ERb07kaxh5Q 157 2026-07-17T11:22:57Z yes https://igcsesciencerevision.com/chemistry/gases-in-the-atmosphere.html https://i.ytimg.com/vi/182PnK_dSy4/maxresdefault.jpg Gases in the Atmosphere | Edexcel IGCSE Chemistry Revision The gases in the atmosphere, the combustion of elements, and carbon dioxide. https://www.youtube.com/embed/182PnK_dSy4 199 2026-06-30T12:58:53Z yes https://igcsesciencerevision.com/chemistry/percentage-of-oxygen-in-air.html https://i.ytimg.com/vi/-SfDJ3SOiTU/maxresdefault.jpg Percentage of Oxygen in Air | Edexcel IGCSE Chemistry Revision The experiment used to find the percentage of oxygen in air. https://www.youtube.com/embed/-SfDJ3SOiTU 164 2026-06-30T12:58:54Z yes https://igcsesciencerevision.com/chemistry/the-reactivity-series-and-displacement.html https://i.ytimg.com/vi/cUX6WOb7qPY/maxresdefault.jpg The Reactivity Series & Displacement | Edexcel IGCSE Chemistry Revision The reactivity series and how it predicts displacement reactions. https://www.youtube.com/embed/cUX6WOb7qPY 198 2026-06-30T12:58:57Z yes https://igcsesciencerevision.com/chemistry/the-reactivity-series-metal-oxides-and-redox-agents.html https://i.ytimg.com/vi/Xs1MBVjRQ3k/maxresdefault.jpg The Reactivity Series, Metal Oxides and Redox Agents | Edexcel IGCSE Chemistry Revision Covers recall the required reactivity sequence, Predict metal and metal-oxide displacement and Identify oxidising and reducing agents. https://www.youtube.com/embed/Xs1MBVjRQ3k 168 2026-07-17T11:22:27Z yes https://igcsesciencerevision.com/chemistry/rusting-and-redox.html https://i.ytimg.com/vi/ofMMR6B8mUE/maxresdefault.jpg Rusting & Redox | Edexcel IGCSE Chemistry Revision How rusting happens, how to prevent it, and oxidation and reduction (redox). https://www.youtube.com/embed/ofMMR6B8mUE 200 2026-06-30T12:58:58Z yes https://igcsesciencerevision.com/chemistry/reactions-of-metals-with-acids.html https://i.ytimg.com/vi/trVQ40g7PGk/maxresdefault.jpg Reactions of Metals with Acids | Edexcel IGCSE Chemistry Revision Covers apply the metal-acid rule to the correct acids, Test safely for hydrogen and Compare magnesium, zinc and iron using a fair method. https://www.youtube.com/embed/trVQ40g7PGk 183 2026-07-17T11:20:06Z yes https://igcsesciencerevision.com/chemistry/extraction-of-metals.html https://i.ytimg.com/vi/mpZXuSPFmeo/maxresdefault.jpg Extraction of Metals | Edexcel IGCSE Chemistry Revision How metals are extracted from their ores, linked to the reactivity series. https://www.youtube.com/embed/mpZXuSPFmeo 197 2026-06-30T12:59:01Z yes https://igcsesciencerevision.com/chemistry/low-carbon-high-carbon-and-stainless-steel-paper-2.html https://i.ytimg.com/vi/fwYiCYqbKbA/maxresdefault.jpg Low-Carbon, High-Carbon and Stainless Steel (Paper 2) | Edexcel IGCSE Chemistry Revision Covers compare three steel types, Link composition to properties and Select a steel for a stated use. https://www.youtube.com/embed/fwYiCYqbKbA 137 2026-07-17T11:22:24Z yes https://igcsesciencerevision.com/chemistry/uses-of-metals-and-alloys.html https://i.ytimg.com/vi/DXGy0tcmMAI/maxresdefault.jpg Uses of Metals & Alloys | Edexcel IGCSE Chemistry Revision The uses of common metals and why alloys are often more useful than pure metals. https://www.youtube.com/embed/DXGy0tcmMAI 180 2026-07-01T13:01:42Z yes https://igcsesciencerevision.com/chemistry/indicators-strong-acids-and-strong-alkalis.html https://i.ytimg.com/vi/KKxpCJ7S5CA/maxresdefault.jpg Indicators, Strong Acids and Strong Alkalis | Edexcel IGCSE Chemistry Revision Covers recall required indicator colours, Interpret universal-indicator pH and Distinguish strong and weak pH bands. https://www.youtube.com/embed/KKxpCJ7S5CA 146 2026-07-17T11:22:21Z yes https://igcsesciencerevision.com/chemistry/acids-alkalis-indicators-and-the-ph-scale.html https://i.ytimg.com/vi/gbD1iJ8mksE/maxresdefault.jpg Acids, Alkalis, Indicators & the pH Scale | Edexcel IGCSE Chemistry Revision Acids and alkalis, indicators, and the pH scale. https://www.youtube.com/embed/gbD1iJ8mksE 181 2026-06-30T12:59:05Z yes https://igcsesciencerevision.com/chemistry/acid-alkali-titrations.html https://i.ytimg.com/vi/tQuFipdmjIM/maxresdefault.jpg Acid-Alkali Titrations | Edexcel IGCSE Chemistry Revision How to carry out an acid-alkali titration accurately. https://www.youtube.com/embed/tQuFipdmjIM 177 2026-06-30T12:59:08Z yes https://igcsesciencerevision.com/chemistry/solubility-rules-of-ionic-compounds.html https://i.ytimg.com/vi/3bQHpyou_WI/maxresdefault.jpg Solubility Rules of Ionic Compounds | Edexcel IGCSE Chemistry Revision The solubility rules for common ionic compounds in water. https://www.youtube.com/embed/3bQHpyou_WI 175 2026-06-30T12:59:10Z yes https://igcsesciencerevision.com/chemistry/acids-and-bases-and-reactions-of-acids.html https://i.ytimg.com/vi/X91mtFl9cfs/maxresdefault.jpg Acids & Bases & Reactions of Acids | Edexcel IGCSE Chemistry Revision How acids react with bases, metals and carbonates to make salts. https://www.youtube.com/embed/X91mtFl9cfs 179 2026-06-30T12:59:12Z yes https://igcsesciencerevision.com/chemistry/preparing-soluble-salts.html https://i.ytimg.com/vi/7PH4pTw7Cmo/maxresdefault.jpg Preparing Soluble Salts | Edexcel IGCSE Chemistry Revision How to prepare a soluble salt from an acid and an insoluble base. https://www.youtube.com/embed/7PH4pTw7Cmo 184 2026-06-30T12:59:13Z yes https://igcsesciencerevision.com/chemistry/salt-preparation-titration-and-insoluble-salts.html https://i.ytimg.com/vi/9uVvmCnhQ5c/maxresdefault.jpg Salt Preparation: Titration & Insoluble Salts | Edexcel IGCSE Chemistry Revision Making salts by titration and preparing insoluble salts by precipitation. https://www.youtube.com/embed/9uVvmCnhQ5c 192 2026-06-30T12:59:15Z yes https://igcsesciencerevision.com/chemistry/preparing-pure-dry-soluble-and-insoluble-salts-paper-2.html https://i.ytimg.com/vi/-j-we5d3qww/maxresdefault.jpg Preparing Pure, Dry Soluble and Insoluble Salts (Paper 2) | Edexcel IGCSE Chemistry Revision Covers finish a soluble-salt preparation correctly, Prepare lead sulfate by precipitation and Explain washing and drying. https://www.youtube.com/embed/-j-we5d3qww 165 2026-07-17T11:22:18Z yes https://igcsesciencerevision.com/chemistry/tests-for-gases-and-flame-tests.html https://i.ytimg.com/vi/moECusqA1i4/maxresdefault.jpg Tests for Gases & Flame Tests | Edexcel IGCSE Chemistry Revision The chemical tests for common gases and the flame tests for metal ions. https://www.youtube.com/embed/moECusqA1i4 153 2026-06-30T12:59:17Z yes https://igcsesciencerevision.com/chemistry/tests-for-ions-and-water.html https://i.ytimg.com/vi/MzTj32g0lVw/maxresdefault.jpg Tests for Ions and Water | Edexcel IGCSE Chemistry Revision Covers identify common cations using sodium hydroxide, Use the correct acid before sulfate and halide tests and Test for carbonate ions and water. https://www.youtube.com/embed/MzTj32g0lVw 181 2026-07-17T11:20:10Z yes https://igcsesciencerevision.com/chemistry/exothermic-and-endothermic-reactions-calorimetry.html https://i.ytimg.com/vi/I_IsvWIofeE/maxresdefault.jpg Exothermic & Endothermic Reactions; Calorimetry | Edexcel IGCSE Chemistry Revision Exothermic and endothermic reactions, and measuring temperature change by calorimetry. https://www.youtube.com/embed/I_IsvWIofeE 173 2026-06-30T12:59:21Z yes https://igcsesciencerevision.com/chemistry/calorimetry-and-molar-enthalpy-calculations.html https://i.ytimg.com/vi/W43H6tXtnYs/maxresdefault.jpg Calorimetry and Molar Enthalpy Calculations | Edexcel IGCSE Chemistry Revision Covers collect reliable calorimetry data, Calculate Q using mc delta T and Calculate molar enthalpy change with the correct sign. https://www.youtube.com/embed/W43H6tXtnYs 174 2026-07-17T11:22:55Z yes https://igcsesciencerevision.com/chemistry/energy-level-diagrams-and-bond-energies.html https://i.ytimg.com/vi/9BLJ4Aj8mWA/maxresdefault.jpg Energy Level Diagrams & Bond Energies | Edexcel IGCSE Chemistry Revision Energy level diagrams and calculating energy changes from bond energies. https://www.youtube.com/embed/9BLJ4Aj8mWA 173 2026-06-30T12:59:23Z yes https://igcsesciencerevision.com/chemistry/bond-energy-calculations-and-reversible-heating-paper-2.html https://i.ytimg.com/vi/4_VM895g8eI/maxresdefault.jpg Bond-Energy Calculations and Reversible Heating (Paper 2) | Edexcel IGCSE Chemistry Revision Covers calculate enthalpy change from bond energies, Interpret the sign of the answer and Explain heating ammonium chloride. https://www.youtube.com/embed/4_VM895g8eI 180 2026-07-17T11:22:14Z yes https://igcsesciencerevision.com/chemistry/energy-changes-required-practical.html https://i.ytimg.com/vi/oobpeIioitk/maxresdefault.jpg Energy Changes Required Practical | Edexcel IGCSE Chemistry Revision Required practical: investigating the temperature changes of reactions. https://www.youtube.com/embed/oobpeIioitk 174 2026-06-30T12:59:25Z yes https://igcsesciencerevision.com/chemistry/rates-of-reaction-required-practicals.html https://i.ytimg.com/vi/YUWNyhIDRAQ/maxresdefault.jpg Rates of Reaction Required Practicals | Edexcel IGCSE Chemistry Revision Covers plan fair tests for rate factors, Compare marble-chip surface areas and Investigate catalysts for hydrogen peroxide decomposition. https://www.youtube.com/embed/YUWNyhIDRAQ 164 2026-07-17T11:22:51Z yes https://igcsesciencerevision.com/chemistry/rates-of-reaction-factors-and-collision-theory.html https://i.ytimg.com/vi/J1e-dutTrN4/maxresdefault.jpg Rates of Reaction: Factors & Collision Theory | Edexcel IGCSE Chemistry Revision The factors that affect rate of reaction, explained by collision theory. https://www.youtube.com/embed/J1e-dutTrN4 189 2026-06-30T12:59:26Z yes https://igcsesciencerevision.com/chemistry/catalysts-and-reaction-profiles.html https://i.ytimg.com/vi/d-flJCh9ulQ/maxresdefault.jpg Catalysts & Reaction Profiles | Edexcel IGCSE Chemistry Revision How catalysts speed up reactions, shown on reaction profile diagrams. https://www.youtube.com/embed/d-flJCh9ulQ 177 2026-06-30T12:59:27Z yes https://igcsesciencerevision.com/chemistry/investigating-rates-of-reaction.html https://i.ytimg.com/vi/T_yvChYxBK0/maxresdefault.jpg Investigating Rates of Reaction | Edexcel IGCSE Chemistry Revision Required practical: investigating how conditions affect the rate of a reaction. https://www.youtube.com/embed/T_yvChYxBK0 186 2026-06-30T12:59:29Z yes https://igcsesciencerevision.com/chemistry/reversible-reactions.html https://i.ytimg.com/vi/vDbBejeJUrM/maxresdefault.jpg Reversible Reactions | Edexcel IGCSE Chemistry Revision Reversible reactions and how they can reach a balance. https://www.youtube.com/embed/vDbBejeJUrM 170 2026-06-30T12:59:30Z yes https://igcsesciencerevision.com/chemistry/dynamic-equilibrium-and-le-chatelier-s-principle.html https://i.ytimg.com/vi/f7CTHrhasio/maxresdefault.jpg Dynamic Equilibrium & Le Chatelier's Principle | Edexcel IGCSE Chemistry Revision Dynamic equilibrium and how Le Chatelier's principle predicts the effect of changing conditions. https://www.youtube.com/embed/f7CTHrhasio 197 2026-06-30T12:59:32Z yes https://igcsesciencerevision.com/chemistry/introduction-to-organic-chemistry.html https://i.ytimg.com/vi/S98oW4bd26c/maxresdefault.jpg Introduction to Organic Chemistry | Edexcel IGCSE Chemistry Revision An introduction to organic chemistry, homologous series and functional groups. https://www.youtube.com/embed/S98oW4bd26c 179 2026-06-30T12:59:34Z yes https://igcsesciencerevision.com/chemistry/organic-formulae-and-naming-up-to-six-carbons.html https://i.ytimg.com/vi/NccuX6dllFI/maxresdefault.jpg Organic Formulae and Naming up to Six Carbons | Edexcel IGCSE Chemistry Revision Covers distinguish five formula types, Use carbon-chain prefixes to six carbons and Apply functional-group suffixes. https://www.youtube.com/embed/NccuX6dllFI 161 2026-07-17T11:22:10Z yes https://igcsesciencerevision.com/chemistry/isomerism-and-types-of-organic-reaction.html https://i.ytimg.com/vi/XpJjeKOxTUM/maxresdefault.jpg Isomerism & Types of Organic Reaction | Edexcel IGCSE Chemistry Revision Isomerism and the main types of organic reaction. https://www.youtube.com/embed/XpJjeKOxTUM 182 2026-06-30T12:59:35Z yes https://igcsesciencerevision.com/chemistry/crude-oil-and-fractional-distillation.html https://i.ytimg.com/vi/p4eJEJo0Avc/maxresdefault.jpg Crude Oil & Fractional Distillation | Edexcel IGCSE Chemistry Revision How crude oil is separated into useful fractions by fractional distillation. https://www.youtube.com/embed/p4eJEJo0Avc 175 2026-06-30T12:59:37Z yes https://igcsesciencerevision.com/chemistry/combustion-pollutants-and-acid-rain.html https://i.ytimg.com/vi/FnWs4oTswiM/maxresdefault.jpg Combustion, Pollutants & Acid Rain | Edexcel IGCSE Chemistry Revision Complete and incomplete combustion, the pollutants produced, and acid rain. https://www.youtube.com/embed/FnWs4oTswiM 196 2026-06-30T12:59:38Z yes https://igcsesciencerevision.com/chemistry/cracking-conditions-alkene-isomers-and-bromine.html https://i.ytimg.com/vi/QkVIYQ6cyrQ/maxresdefault.jpg Cracking Conditions, Alkene Isomers and Bromine | Edexcel IGCSE Chemistry Revision Covers state cracking conditions precisely, Draw and name alkenes to four carbons and Predict bromine-addition products. https://www.youtube.com/embed/QkVIYQ6cyrQ 166 2026-07-17T11:22:07Z yes https://igcsesciencerevision.com/chemistry/cracking.html https://i.ytimg.com/vi/Wi71qZzt5zE/maxresdefault.jpg Cracking | Edexcel IGCSE Chemistry Revision How cracking breaks long hydrocarbons into shorter, more useful ones. https://www.youtube.com/embed/Wi71qZzt5zE 174 2026-06-30T12:59:40Z yes https://igcsesciencerevision.com/chemistry/alkanes-and-combustion.html https://i.ytimg.com/vi/oZ0gifV-z_A/maxresdefault.jpg Alkanes and Combustion | Edexcel IGCSE Chemistry Revision Covers use the alkane general formula, Draw and name alkanes up to five carbon atoms and Distinguish complete and incomplete combustion. https://www.youtube.com/embed/oZ0gifV-z_A 184 2026-07-17T11:23:10Z yes https://igcsesciencerevision.com/chemistry/alkenes-and-the-bromine-water-test.html https://i.ytimg.com/vi/ohRHZGU2D1E/maxresdefault.jpg Alkenes & the Bromine Water Test | Edexcel IGCSE Chemistry Revision The alkenes, their reactions, and the bromine water test for unsaturation. https://www.youtube.com/embed/ohRHZGU2D1E 175 2026-06-30T12:59:43Z yes https://igcsesciencerevision.com/chemistry/alcohols.html https://i.ytimg.com/vi/rNoxom7RFm0/maxresdefault.jpg Alcohols | Edexcel IGCSE Chemistry Revision The alcohols — their structure, properties and reactions, including combustion. https://www.youtube.com/embed/rNoxom7RFm0 185 2026-06-30T12:59:45Z yes https://igcsesciencerevision.com/chemistry/alcohols-and-carboxylic-acids-up-to-four-carbons-paper-2.html https://i.ytimg.com/vi/AMoTUX3h3Gw/maxresdefault.jpg Alcohols and Carboxylic Acids up to Four Carbons (Paper 2) | Edexcel IGCSE Chemistry Revision Covers draw the first four alcohols, Draw the first four carboxylic acids and Use functional groups and general formulae. https://www.youtube.com/embed/AMoTUX3h3Gw 193 2026-07-17T11:22:04Z yes https://igcsesciencerevision.com/chemistry/ethanol-oxidation-hydration-and-fermentation-paper-2.html https://i.ytimg.com/vi/pqNjb6V9CGU/maxresdefault.jpg Ethanol: Oxidation, Hydration and Fermentation (Paper 2) | Edexcel IGCSE Chemistry Revision Covers describe oxidation of ethanol, Compare hydration and fermentation conditions and Explain the absence of air and optimum fermentation temperature. https://www.youtube.com/embed/pqNjb6V9CGU 173 2026-07-17T11:22:47Z yes https://igcsesciencerevision.com/chemistry/carboxylic-acids.html https://i.ytimg.com/vi/riebhFLfESc/maxresdefault.jpg Carboxylic Acids | Edexcel IGCSE Chemistry Revision The carboxylic acids and their typical reactions. https://www.youtube.com/embed/riebhFLfESc 182 2026-06-30T12:59:47Z yes https://igcsesciencerevision.com/chemistry/esters-structures-names-and-practical-paper-2.html https://i.ytimg.com/vi/wX71Vhqv3Uo/maxresdefault.jpg Esters: Structures, Names and Practical (Paper 2) | Edexcel IGCSE Chemistry Revision Covers name esters from their alcohol and acid, Construct and interpret ester structures and Describe a safe ester preparation. https://www.youtube.com/embed/wX71Vhqv3Uo 191 2026-07-17T11:23:07Z yes https://igcsesciencerevision.com/chemistry/addition-polymers-and-their-disposal.html https://i.ytimg.com/vi/Obd2_5cJJY0/maxresdefault.jpg Addition Polymers & Their Disposal | Edexcel IGCSE Chemistry Revision How addition polymers form from alkenes, and the problems of disposing of them. https://www.youtube.com/embed/Obd2_5cJJY0 187 2026-06-30T12:59:51Z yes https://igcsesciencerevision.com/chemistry/addition-and-condensation-polymer-structures-paper-2.html https://i.ytimg.com/vi/IAkljcVeSW8/maxresdefault.jpg Addition and Condensation Polymer Structures (Paper 2) | Edexcel IGCSE Chemistry Revision Covers construct addition-polymer repeat units, Deduce monomers from repeat units and Construct a polyester and explain biopolyester biodegradability. https://www.youtube.com/embed/IAkljcVeSW8 191 2026-07-17T11:22:44Z yes https://igcsesciencerevision.com/chemistry/condensation-polymers-and-polyesters.html https://i.ytimg.com/vi/K1bc6dFbWE8/maxresdefault.jpg Condensation Polymers & Polyesters | Edexcel IGCSE Chemistry Revision How condensation polymers such as polyesters are formed. https://www.youtube.com/embed/K1bc6dFbWE8 190 2026-06-30T12:59:52Z yes https://igcsesciencerevision.com/physics/units-and-physical-quantities.html https://i.ytimg.com/vi/Z6ue9lmzD20/maxresdefault.jpg Units & Physical Quantities | Edexcel IGCSE Physics Revision The SI units and physical quantities used throughout IGCSE Physics. https://www.youtube.com/embed/Z6ue9lmzD20 162 2026-07-02T08:35:00Z yes https://igcsesciencerevision.com/physics/speed-and-distance-time-graphs.html https://i.ytimg.com/vi/ohcIq_kUAzU/maxresdefault.jpg Speed & Distance-Time Graphs | Edexcel IGCSE Physics Revision Speed, and how to read and interpret distance-time graphs. https://www.youtube.com/embed/ohcIq_kUAzU 166 2026-07-02T08:35:03Z yes https://igcsesciencerevision.com/physics/speed-using-the-equation-worked-examples.html https://i.ytimg.com/vi/fWydwH_9gbo/maxresdefault.jpg Speed: Using the Equation (Worked Examples) | Edexcel IGCSE Physics Revision Worked examples calculating speed, distance and time. https://www.youtube.com/embed/fWydwH_9gbo 167 2026-07-02T08:34:58Z yes https://igcsesciencerevision.com/physics/acceleration-using-the-equation-worked-examples.html https://i.ytimg.com/vi/MJ3plCvpaYs/maxresdefault.jpg Acceleration: Using the Equation (Worked Examples) | Edexcel IGCSE Physics Revision Worked examples using the acceleration equations. https://www.youtube.com/embed/MJ3plCvpaYs 182 2026-07-02T08:34:51Z yes https://igcsesciencerevision.com/physics/investigating-motion-required-practical.html https://i.ytimg.com/vi/d4EhCJKoJv0/maxresdefault.jpg Investigating Motion Required Practical | Edexcel IGCSE Physics Revision Required practical: investigating the motion of everyday objects. https://www.youtube.com/embed/d4EhCJKoJv0 171 2026-07-02T08:34:49Z yes https://igcsesciencerevision.com/physics/mass-weight-and-gravity.html https://i.ytimg.com/vi/aftf_F_zRi4/maxresdefault.jpg Mass, Weight & Gravity | Edexcel IGCSE Physics Revision The difference between mass and weight, and gravitational field strength. https://www.youtube.com/embed/aftf_F_zRi4 186 2026-07-02T08:34:45Z yes https://igcsesciencerevision.com/physics/force-and-weight-the-equations-worked-examples.html https://i.ytimg.com/vi/iCawEA9sIC4/maxresdefault.jpg Force & Weight: The Equations (Worked Examples) | Edexcel IGCSE Physics Revision Worked examples using the force and weight equations. https://www.youtube.com/embed/iCawEA9sIC4 163 2026-07-02T08:34:42Z yes https://igcsesciencerevision.com/physics/resultant-forces-and-newton-s-first-law.html https://i.ytimg.com/vi/imZmhSE32Tc/maxresdefault.jpg Resultant Forces & Newton's First Law | Edexcel IGCSE Physics Revision Resultant forces and Newton's first law of motion. https://www.youtube.com/embed/imZmhSE32Tc 178 2026-07-02T08:34:32Z yes https://igcsesciencerevision.com/physics/acceleration-and-velocity-time-graphs.html https://i.ytimg.com/vi/G4uQFvP_HwI/maxresdefault.jpg Acceleration and Velocity-Time Graphs | Edexcel IGCSE Physics Revision Covers calculate acceleration from velocity change, Interpret the gradient of a velocity-time graph and Distinguish displacement from total distance using graph area. https://www.youtube.com/embed/G4uQFvP_HwI 177 2026-07-17T11:21:51Z yes https://igcsesciencerevision.com/physics/newton-s-second-law-and-f-ma-practical.html https://i.ytimg.com/vi/Jh3a9T_-Rig/maxresdefault.jpg Newton's Second Law and F = ma Practical | Edexcel IGCSE Physics Revision Newton's second law and the F = ma required practical. https://www.youtube.com/embed/Jh3a9T_-Rig 179 2026-07-02T08:34:39Z yes https://igcsesciencerevision.com/physics/stopping-distances.html https://i.ytimg.com/vi/OPjcLoR4vfo/maxresdefault.jpg Stopping Distances | Edexcel IGCSE Physics Revision Thinking distance, braking distance, and the factors affecting stopping distance. https://www.youtube.com/embed/OPjcLoR4vfo 181 2026-07-02T08:34:25Z yes https://igcsesciencerevision.com/physics/hooke-s-law-and-springs.html https://i.ytimg.com/vi/glAczTe2pKk/maxresdefault.jpg Hooke's Law & Springs | Edexcel IGCSE Physics Revision Hooke's law and how springs extend under a force. https://www.youtube.com/embed/glAczTe2pKk 171 2026-07-02T08:34:21Z yes https://igcsesciencerevision.com/physics/the-no-time-kinematics-equation-and-vectors.html https://i.ytimg.com/vi/fY7zy2Y-r3M/maxresdefault.jpg The No-Time Kinematics Equation and Vectors | Edexcel IGCSE Physics Revision Covers use v squared = u squared + 2as, Rearrange the equation and Distinguish scalar and vector quantities. https://www.youtube.com/embed/fY7zy2Y-r3M 171 2026-07-17T11:21:29Z yes https://igcsesciencerevision.com/physics/hooke-s-law-using-the-equation-worked-examples.html https://i.ytimg.com/vi/9I0PysJX8Tg/maxresdefault.jpg Hooke's Law: Using the Equation (Worked Examples) | Edexcel IGCSE Physics Revision Worked examples using Hooke's law. https://www.youtube.com/embed/9I0PysJX8Tg 168 2026-07-02T08:34:17Z yes https://igcsesciencerevision.com/physics/momentum-and-newton-s-third-law.html https://i.ytimg.com/vi/iR2tqZ67GFI/maxresdefault.jpg Momentum & Newton's Third Law | Edexcel IGCSE Physics Revision Momentum and Newton's third law of motion. https://www.youtube.com/embed/iR2tqZ67GFI 185 2026-07-02T08:34:14Z yes https://igcsesciencerevision.com/physics/momentum-using-the-equation-worked-examples.html https://i.ytimg.com/vi/N-OHsvSnJw4/maxresdefault.jpg Momentum: Using the Equation (Worked Examples) | Edexcel IGCSE Physics Revision Worked examples calculating momentum. https://www.youtube.com/embed/N-OHsvSnJw4 179 2026-07-02T08:34:10Z yes https://igcsesciencerevision.com/physics/moments-and-the-principle-of-moments.html https://i.ytimg.com/vi/Sb_Bfp0NUFk/maxresdefault.jpg Moments & the Principle of Moments | Edexcel IGCSE Physics Revision Moments and the principle of moments for a balanced object. https://www.youtube.com/embed/Sb_Bfp0NUFk 178 2026-07-02T08:34:07Z yes https://igcsesciencerevision.com/physics/moments-using-the-equation-worked-examples.html https://i.ytimg.com/vi/WA44tSC4Tyg/maxresdefault.jpg Moments: Using the Equation (Worked Examples) | Edexcel IGCSE Physics Revision Worked examples using the moments equation. https://www.youtube.com/embed/WA44tSC4Tyg 165 2026-07-02T08:34:03Z yes https://igcsesciencerevision.com/physics/centre-of-gravity-and-stability.html https://i.ytimg.com/vi/WGQYPRN2OXk/maxresdefault.jpg Centre of Gravity & Stability | Edexcel IGCSE Physics Revision Centre of gravity and what makes an object stable. https://www.youtube.com/embed/WGQYPRN2OXk 171 2026-07-02T08:34:00Z yes https://igcsesciencerevision.com/physics/friction-drag-and-terminal-velocity.html https://i.ytimg.com/vi/-1dLgzlffP0/maxresdefault.jpg Friction, Drag and Terminal Velocity | Edexcel IGCSE Physics Revision Covers describe friction without saying it always slows objects, Distinguish contact friction from drag and Explain how terminal velocity is reached. https://www.youtube.com/embed/-1dLgzlffP0 167 2026-07-17T11:21:49Z yes https://igcsesciencerevision.com/physics/deformation-of-springs-wires-and-rubber.html https://i.ytimg.com/vi/IGxzddWnnk0/maxresdefault.jpg Deformation of Springs, Wires and Rubber | Edexcel IGCSE Physics Revision Covers investigate three deformable materials, Identify the limit of proportionality and Define elastic behaviour. https://www.youtube.com/embed/IGxzddWnnk0 162 2026-07-17T11:20:41Z yes https://igcsesciencerevision.com/physics/momentum-change-and-vehicle-safety-paper-2.html https://i.ytimg.com/vi/1f3VelaUGFI/maxresdefault.jpg Momentum Change and Vehicle Safety (Paper 2) | Edexcel IGCSE Physics Revision Covers use force = change in momentum / time, Explain vehicle safety features and Solve impulse-style calculations. https://www.youtube.com/embed/1f3VelaUGFI 158 2026-07-17T11:21:25Z yes https://igcsesciencerevision.com/physics/support-forces-on-a-loaded-beam-paper-2.html https://i.ytimg.com/vi/ksmOWjYOyAI/maxresdefault.jpg Support Forces on a Loaded Beam (Paper 2) | Edexcel IGCSE Physics Revision Covers draw the forces on a supported beam, Use vertical force balance and Use moments to find how support forces change. https://www.youtube.com/embed/ksmOWjYOyAI 163 2026-07-17T11:21:21Z yes https://igcsesciencerevision.com/physics/current-charge-and-circuits.html https://i.ytimg.com/vi/Xt4u2gTh9PM/maxresdefault.jpg Current, Charge & Circuits | Edexcel IGCSE Physics Revision Electric current, charge, and the basics of electrical circuits. https://www.youtube.com/embed/Xt4u2gTh9PM 164 2026-07-03T10:00:30Z yes https://igcsesciencerevision.com/physics/charge-and-ohm-s-law-using-the-equations.html https://i.ytimg.com/vi/PadXYmexsx8/maxresdefault.jpg Charge & Ohm's Law: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the charge and Ohm's law equations. https://www.youtube.com/embed/PadXYmexsx8 155 2026-07-03T10:00:25Z yes https://igcsesciencerevision.com/physics/electrical-heating-fuses-and-circuit-protection.html https://i.ytimg.com/vi/RdHUiXuRUJY/maxresdefault.jpg Electrical Heating, Fuses and Circuit Protection | Edexcel IGCSE Physics Revision Covers explain heating in a resistor, Distinguish insulation, earthing, fuses and circuit breakers and Select a suitable fuse using P = IV. https://www.youtube.com/embed/RdHUiXuRUJY 180 2026-07-17T11:21:18Z yes https://igcsesciencerevision.com/physics/voltage-resistance-and-ohm-s-law.html https://i.ytimg.com/vi/6nNvQ-R9iu0/maxresdefault.jpg Voltage, Resistance & Ohm's Law | Edexcel IGCSE Physics Revision Voltage, resistance and Ohm's law. https://www.youtube.com/embed/6nNvQ-R9iu0 160 2026-07-03T10:00:28Z yes https://igcsesciencerevision.com/physics/current-voltage-i-v-characteristics.html https://i.ytimg.com/vi/O4BNEPr2_PI/maxresdefault.jpg Current-Voltage (I-V) Characteristics | Edexcel IGCSE Physics Revision Current-voltage graphs for a resistor, a filament lamp and a diode. https://www.youtube.com/embed/O4BNEPr2_PI 172 2026-07-03T10:00:23Z yes https://igcsesciencerevision.com/physics/complete-series-circuit-calculations.html https://i.ytimg.com/vi/gIutSjgsKe8/maxresdefault.jpg Complete Series-Circuit Calculations | Edexcel IGCSE Physics Revision Covers predict how current changes, Combine series resistances and Calculate current and component voltages. https://www.youtube.com/embed/gIutSjgsKe8 158 2026-07-17T11:20:38Z yes https://igcsesciencerevision.com/physics/resistance-ldrs-and-thermistors.html https://i.ytimg.com/vi/Vl9jV8JTWpk/maxresdefault.jpg Resistance, LDRs & Thermistors | Edexcel IGCSE Physics Revision How the resistance of LDRs and thermistors changes with light and temperature. https://www.youtube.com/embed/Vl9jV8JTWpk 159 2026-07-03T10:00:19Z yes https://igcsesciencerevision.com/physics/series-and-parallel-circuit-rules.html https://i.ytimg.com/vi/So7c5BlNyH8/maxresdefault.jpg Series & Parallel Circuit Rules | Edexcel IGCSE Physics Revision The rules for current, voltage and resistance in series and parallel circuits. https://www.youtube.com/embed/So7c5BlNyH8 173 2026-07-03T10:00:16Z yes https://igcsesciencerevision.com/physics/electrical-energy-and-power.html https://i.ytimg.com/vi/E3Cekj8hm4Q/maxresdefault.jpg Electrical Energy & Power | Edexcel IGCSE Physics Revision Electrical energy and power in circuits. https://www.youtube.com/embed/E3Cekj8hm4Q 176 2026-07-03T10:00:12Z yes https://igcsesciencerevision.com/physics/power-and-energy-using-the-equations.html https://i.ytimg.com/vi/Me4nqAMLN7Y/maxresdefault.jpg Power & Energy: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the electrical power and energy equations. https://www.youtube.com/embed/Me4nqAMLN7Y 163 2026-07-03T10:00:09Z yes https://igcsesciencerevision.com/physics/mains-electricity-and-safety.html https://i.ytimg.com/vi/1155V_OfVKk/maxresdefault.jpg Mains Electricity & Safety | Edexcel IGCSE Physics Revision Mains electricity, the three-pin plug and electrical safety. https://www.youtube.com/embed/1155V_OfVKk 170 2026-07-03T10:00:06Z yes https://igcsesciencerevision.com/physics/static-electricity.html https://i.ytimg.com/vi/KF5QyFeW1ec/maxresdefault.jpg Static Electricity | Edexcel IGCSE Physics Revision Static electricity, charging by friction, and its everyday effects. https://www.youtube.com/embed/KF5QyFeW1ec 196 2026-07-03T10:00:03Z yes https://igcsesciencerevision.com/physics/conductors-insulators-and-charging-by-friction-paper-2.html https://i.ytimg.com/vi/WXKYdY3q9L8/maxresdefault.jpg Conductors, Insulators and Charging by Friction (Paper 2) | Edexcel IGCSE Physics Revision Covers classify common materials, Investigate charging by friction and Control and interpret the test. https://www.youtube.com/embed/WXKYdY3q9L8 160 2026-07-17T11:20:33Z yes https://igcsesciencerevision.com/physics/wave-properties-and-the-doppler-effect.html https://i.ytimg.com/vi/eaiXoZbHmRg/maxresdefault.jpg Wave Properties and the Doppler Effect | Edexcel IGCSE Physics Revision Covers compare transverse and longitudinal waves, Use wave measurements and the wave equation correctly and Explain wavefronts and the Doppler effect. https://www.youtube.com/embed/eaiXoZbHmRg 186 2026-07-17T11:21:44Z yes https://igcsesciencerevision.com/physics/wave-speed-using-the-equation.html https://i.ytimg.com/vi/c78j8gLOTJM/maxresdefault.jpg Wave Speed: Using the Equation | Edexcel IGCSE Physics Revision Worked examples using the wave speed equation. https://www.youtube.com/embed/c78j8gLOTJM 169 2026-07-03T09:59:57Z yes https://igcsesciencerevision.com/physics/investigating-waves.html https://i.ytimg.com/vi/SnmOUCYVUEU/maxresdefault.jpg Investigating Waves | Edexcel IGCSE Physics Revision Required practical: investigating waves in a ripple tank and on a string. https://www.youtube.com/embed/SnmOUCYVUEU 155 2026-07-03T09:59:54Z yes https://igcsesciencerevision.com/physics/the-electromagnetic-spectrum.html https://i.ytimg.com/vi/RkgMjyHEs_Y/maxresdefault.jpg The Electromagnetic Spectrum | Edexcel IGCSE Physics Revision The electromagnetic spectrum, its order, and the uses and dangers of each type. https://www.youtube.com/embed/RkgMjyHEs_Y 187 2026-07-03T09:59:52Z yes https://igcsesciencerevision.com/physics/visible-colours-electromagnetic-uses-and-hazards.html https://i.ytimg.com/vi/O3sDdtPslI4/maxresdefault.jpg Visible Colours, Electromagnetic Uses and Hazards | Edexcel IGCSE Physics Revision Covers order visible-light colours, Match named waves to uses and Explain hazards and protection. https://www.youtube.com/embed/O3sDdtPslI4 174 2026-07-17T11:20:29Z yes https://igcsesciencerevision.com/physics/reflection-and-refraction-of-light.html https://i.ytimg.com/vi/0l4u1HzV3zE/maxresdefault.jpg Reflection & Refraction of Light | Edexcel IGCSE Physics Revision How light reflects and refracts, shown with ray diagrams. https://www.youtube.com/embed/0l4u1HzV3zE 165 2026-07-03T09:59:49Z yes https://igcsesciencerevision.com/physics/refraction-in-rectangular-blocks-prisms-and-semicircles.html https://i.ytimg.com/vi/iF2j9QY-ooA/maxresdefault.jpg Refraction in Rectangular Blocks, Prisms and Semicircles | Edexcel IGCSE Physics Revision Covers trace rays through three glass shapes, Measure angles from the normal and Explain why semicircular blocks are useful. https://www.youtube.com/embed/iF2j9QY-ooA 157 2026-07-17T11:20:26Z yes https://igcsesciencerevision.com/physics/refractive-index-and-total-internal-reflection.html https://i.ytimg.com/vi/8nyRZ5kruLg/maxresdefault.jpg Refractive Index & Total Internal Reflection | Edexcel IGCSE Physics Revision Refractive index and total internal reflection. https://www.youtube.com/embed/8nyRZ5kruLg 188 2026-07-03T09:59:46Z yes https://igcsesciencerevision.com/physics/refractive-index-using-the-equations.html https://i.ytimg.com/vi/SMSWhdw-iRk/maxresdefault.jpg Refractive Index: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the refractive index equations. https://www.youtube.com/embed/SMSWhdw-iRk 177 2026-07-03T09:59:43Z yes https://igcsesciencerevision.com/physics/sound-waves.html https://i.ytimg.com/vi/F2jagi14DvA/maxresdefault.jpg Sound Waves | Edexcel IGCSE Physics Revision How sound waves travel and how we hear them. https://www.youtube.com/embed/F2jagi14DvA 170 2026-07-03T09:59:39Z yes https://igcsesciencerevision.com/physics/reflection-and-refraction-of-sound.html https://i.ytimg.com/vi/cDxFsEVb16U/maxresdefault.jpg Reflection and Refraction of Sound | Edexcel IGCSE Physics Revision Covers explain echoes, Explain refraction of sound and Apply the ideas to atmospheric sound. https://www.youtube.com/embed/cDxFsEVb16U 157 2026-07-17T11:20:22Z yes https://igcsesciencerevision.com/physics/lenses-and-ray-diagrams.html https://i.ytimg.com/vi/4SpGmxQYB70/maxresdefault.jpg Lenses & Ray Diagrams | Edexcel IGCSE Physics Revision Converging and diverging lenses and how to draw ray diagrams. https://www.youtube.com/embed/4SpGmxQYB70 184 2026-07-03T09:59:36Z yes https://igcsesciencerevision.com/physics/finding-frequency-with-an-oscilloscope-paper-2.html https://i.ytimg.com/vi/6DCNxftjx_U/maxresdefault.jpg Finding Frequency with an Oscilloscope (Paper 2) | Edexcel IGCSE Physics Revision Covers set up a microphone and oscilloscope, Find the period from a trace and Calculate frequency using f = 1/T. https://www.youtube.com/embed/6DCNxftjx_U 153 2026-07-17T11:21:15Z yes https://igcsesciencerevision.com/physics/energy-stores-and-transfers.html https://i.ytimg.com/vi/UmEDgu22J-4/maxresdefault.jpg Energy Stores & Transfers | Edexcel IGCSE Physics Revision The different energy stores and how energy is transferred between them. https://www.youtube.com/embed/UmEDgu22J-4 173 2026-07-03T09:59:29Z yes https://igcsesciencerevision.com/physics/energy-stores-and-transfer-pathways.html https://i.ytimg.com/vi/sVDQ-t4T-Zw/maxresdefault.jpg Energy Stores and Transfer Pathways | Edexcel IGCSE Physics Revision Covers recall all required energy stores, Identify transfer pathways and Describe complete energy changes. https://www.youtube.com/embed/sVDQ-t4T-Zw 158 2026-07-17T11:20:19Z yes https://igcsesciencerevision.com/physics/work-and-power-using-the-equations.html https://i.ytimg.com/vi/a-Qx4TayM84/maxresdefault.jpg Work & Power: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the work done and power equations. https://www.youtube.com/embed/a-Qx4TayM84 164 2026-07-03T09:59:23Z yes https://igcsesciencerevision.com/physics/work-done-and-power.html https://i.ytimg.com/vi/AxW2RuSfmHg/maxresdefault.jpg Work Done & Power | Edexcel IGCSE Physics Revision Work done and power, and how they are related. https://www.youtube.com/embed/AxW2RuSfmHg 177 2026-07-03T09:59:27Z yes https://igcsesciencerevision.com/physics/ke-and-gpe-using-the-equations.html https://i.ytimg.com/vi/FTy9CiTAngY/maxresdefault.jpg KE & GPE: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the kinetic and gravitational potential energy equations. https://www.youtube.com/embed/FTy9CiTAngY 168 2026-07-03T09:59:17Z yes https://igcsesciencerevision.com/physics/kinetic-and-gravitational-potential-energy.html https://i.ytimg.com/vi/98ChBcAKBZY/maxresdefault.jpg Kinetic & Gravitational Potential Energy | Edexcel IGCSE Physics Revision Kinetic energy and gravitational potential energy. https://www.youtube.com/embed/98ChBcAKBZY 188 2026-07-03T09:59:20Z yes https://igcsesciencerevision.com/physics/efficiency-and-sankey-diagrams.html https://i.ytimg.com/vi/FzuhsvfMZoo/maxresdefault.jpg Efficiency & Sankey Diagrams | Edexcel IGCSE Physics Revision Efficiency, and how to draw and read Sankey diagrams. https://www.youtube.com/embed/FzuhsvfMZoo 179 2026-07-03T09:59:14Z yes https://igcsesciencerevision.com/physics/thermal-radiation-transfer-practicals-and-insulation.html https://i.ytimg.com/vi/kBZLs-HNWUI/maxresdefault.jpg Thermal Radiation, Transfer Practicals and Insulation | Edexcel IGCSE Physics Revision Covers investigate thermal radiation fairly, Compare conduction or insulation methods and Explain how common insulation reduces transfer. https://www.youtube.com/embed/kBZLs-HNWUI 162 2026-07-17T11:21:11Z yes https://igcsesciencerevision.com/physics/heat-transfer.html https://i.ytimg.com/vi/GXGhg84LNNc/maxresdefault.jpg Heat Transfer | Edexcel IGCSE Physics Revision Heat transfer by conduction, convection and radiation. https://www.youtube.com/embed/GXGhg84LNNc 180 2026-07-03T09:59:11Z yes https://igcsesciencerevision.com/physics/energy-resources-and-energy-transfers-paper-2.html https://i.ytimg.com/vi/_RIKXSQ-PKY/maxresdefault.jpg Energy Resources and Energy Transfers (Paper 2) | Edexcel IGCSE Physics Revision Covers describe energy-transfer chains for named resources, Distinguish solar heating from solar cells and Compare resources using balanced advantages and disadvantages. https://www.youtube.com/embed/_RIKXSQ-PKY 232 2026-07-17T11:21:41Z yes https://igcsesciencerevision.com/physics/density.html https://i.ytimg.com/vi/JIve442UzpA/maxresdefault.jpg Density | Edexcel IGCSE Physics Revision What density is and how to measure it. https://www.youtube.com/embed/JIve442UzpA 172 2026-07-03T10:00:40Z yes https://igcsesciencerevision.com/physics/density-using-the-equation.html https://i.ytimg.com/vi/pxiJBiOiCgw/maxresdefault.jpg Density: Using the Equation | Edexcel IGCSE Physics Revision Worked examples using the density equation. https://www.youtube.com/embed/pxiJBiOiCgw 164 2026-07-03T09:59:03Z yes https://igcsesciencerevision.com/physics/pressure-using-the-equations.html https://i.ytimg.com/vi/EO5I8NFBKDE/maxresdefault.jpg Pressure: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the pressure equations. https://www.youtube.com/embed/EO5I8NFBKDE 167 2026-07-03T09:58:55Z yes https://igcsesciencerevision.com/physics/pressure-and-pressure-in-liquids.html https://i.ytimg.com/vi/INj6-XuwHxA/maxresdefault.jpg Pressure and Pressure in Liquids | Edexcel IGCSE Physics Revision Covers calculate pressure from force and area, Explain why liquid pressure increases with depth and Use p = rho g h with all three factors. https://www.youtube.com/embed/INj6-XuwHxA 181 2026-07-17T11:21:39Z yes https://igcsesciencerevision.com/physics/particle-model-and-change-of-state.html https://i.ytimg.com/vi/3ElFt0j53Qc/maxresdefault.jpg Particle Model & Change of State | Edexcel IGCSE Physics Revision The particle model of matter and the changes of state. https://www.youtube.com/embed/3ElFt0j53Qc 191 2026-07-03T09:58:52Z yes https://igcsesciencerevision.com/physics/specific-heat-capacity-using-the-equation.html https://i.ytimg.com/vi/eFnMNXuPly8/maxresdefault.jpg Specific Heat Capacity: Using the Equation | Edexcel IGCSE Physics Revision Worked examples using the specific heat capacity equation. https://www.youtube.com/embed/eFnMNXuPly8 186 2026-07-03T09:58:49Z yes https://igcsesciencerevision.com/physics/gas-pressure-and-temperature.html https://i.ytimg.com/vi/KPOalbtqXRE/maxresdefault.jpg Gas Pressure & Temperature | Edexcel IGCSE Physics Revision How the pressure of a gas changes with temperature and volume. https://www.youtube.com/embed/KPOalbtqXRE 179 2026-07-03T09:58:42Z yes https://igcsesciencerevision.com/physics/heating-curves-and-specific-heat-capacity-practicals-paper-2.html https://i.ytimg.com/vi/5-2AATzawrY/maxresdefault.jpg Heating Curves and Specific Heat Capacity Practicals (Paper 2) | Edexcel IGCSE Physics Revision Covers interpret a change-of-state plateau, Measure specific heat capacity of a solid and Measure specific heat capacity of water. https://www.youtube.com/embed/5-2AATzawrY 173 2026-07-17T11:21:08Z yes https://igcsesciencerevision.com/physics/the-gas-laws.html https://i.ytimg.com/vi/jnLWKjPvSTk/maxresdefault.jpg The Gas Laws | Edexcel IGCSE Physics Revision The gas laws and the link between pressure, volume and temperature. https://www.youtube.com/embed/jnLWKjPvSTk 201 2026-07-03T10:00:34Z yes https://igcsesciencerevision.com/physics/gas-pressure-and-kelvin-temperature.html https://i.ytimg.com/vi/HLh6kbluVjI/maxresdefault.jpg Gas Pressure and Kelvin Temperature | Edexcel IGCSE Physics Revision Covers link kinetic energy to Kelvin temperature, Use p1/T1 = p2/T2 and Convert Celsius to kelvin correctly. https://www.youtube.com/embed/HLh6kbluVjI 152 2026-07-17T11:21:05Z yes https://igcsesciencerevision.com/physics/magnets-fields-and-electromagnets.html https://i.ytimg.com/vi/3mY1O_xA9fk/maxresdefault.jpg Magnets, Fields & Electromagnets | Edexcel IGCSE Physics Revision Magnets, magnetic fields, and how electromagnets work. https://www.youtube.com/embed/3mY1O_xA9fk 183 2026-07-03T09:58:39Z yes https://igcsesciencerevision.com/physics/magnetic-materials-and-field-patterns-paper-2.html https://i.ytimg.com/vi/my1pZ1U10w0/maxresdefault.jpg Magnetic Materials and Field Patterns (Paper 2) | Edexcel IGCSE Physics Revision Covers compare hard and soft magnetic materials, Map fields for magnets and uniform pole faces and Draw fields around a wire, coil and solenoid. https://www.youtube.com/embed/my1pZ1U10w0 167 2026-07-17T11:21:01Z yes https://igcsesciencerevision.com/physics/the-motor-effect-and-the-d-c-motor.html https://i.ytimg.com/vi/xhbmZUVcct8/maxresdefault.jpg The Motor Effect & the d.c. Motor | Edexcel IGCSE Physics Revision The motor effect and how a d.c. motor works. https://www.youtube.com/embed/xhbmZUVcct8 186 2026-07-03T09:58:37Z yes https://igcsesciencerevision.com/physics/the-motor-effect-using-the-equation.html https://i.ytimg.com/vi/nsc0mEUJB3Q/maxresdefault.jpg The Motor Effect: Using the Equation | Edexcel IGCSE Physics Revision Worked examples using the motor effect equation (F = BIL). https://www.youtube.com/embed/nsc0mEUJB3Q 177 2026-07-03T09:58:33Z yes https://igcsesciencerevision.com/physics/electromagnetic-induction-and-generators.html https://i.ytimg.com/vi/SLC5Q7lUy70/maxresdefault.jpg Electromagnetic Induction & Generators | Edexcel IGCSE Physics Revision Electromagnetic induction and how generators produce electricity. https://www.youtube.com/embed/SLC5Q7lUy70 181 2026-07-03T09:58:29Z yes https://igcsesciencerevision.com/physics/transformers.html https://i.ytimg.com/vi/SlqZhnih2JU/maxresdefault.jpg Transformers | Edexcel IGCSE Physics Revision How transformers change the voltage of an alternating supply. https://www.youtube.com/embed/SlqZhnih2JU 198 2026-07-03T09:58:26Z yes https://igcsesciencerevision.com/physics/transformers-using-the-equations.html https://i.ytimg.com/vi/nTcsjv1Ooew/maxresdefault.jpg Transformers: Using the Equations | Edexcel IGCSE Physics Revision Worked examples using the transformer equations. https://www.youtube.com/embed/nTcsjv1Ooew 198 2026-07-03T09:58:23Z yes https://igcsesciencerevision.com/physics/motor-effect-loudspeakers-and-generators-paper-2.html https://i.ytimg.com/vi/18exKik2sfw/maxresdefault.jpg Motor Effect, Loudspeakers and Generators (Paper 2) | Edexcel IGCSE Physics Revision Covers describe force on a moving charge, Explain a loudspeaker using the motor effect and Compare two generator arrangements. https://www.youtube.com/embed/18exKik2sfw 162 2026-07-17T11:20:58Z yes https://igcsesciencerevision.com/physics/atomic-structure-and-isotopes.html https://i.ytimg.com/vi/6d-Zt4_Rk9I/maxresdefault.jpg Atomic Structure & Isotopes | Edexcel IGCSE Physics Revision The structure of the atom and what isotopes are. https://www.youtube.com/embed/6d-Zt4_Rk9I 180 2026-07-03T09:58:20Z yes https://igcsesciencerevision.com/physics/radioactivity-alpha-beta-and-gamma.html https://i.ytimg.com/vi/jW3nqgoDjvE/maxresdefault.jpg Radioactivity: Alpha, Beta & Gamma | Edexcel IGCSE Physics Revision The three types of nuclear radiation — alpha, beta and gamma — and their properties. https://www.youtube.com/embed/jW3nqgoDjvE 200 2026-07-03T09:58:16Z yes https://igcsesciencerevision.com/physics/nuclear-equations-and-background-radiation.html https://i.ytimg.com/vi/frirPV3Bus4/maxresdefault.jpg Nuclear Equations & Background Radiation | Edexcel IGCSE Physics Revision Writing nuclear equations and the sources of background radiation. https://www.youtube.com/embed/frirPV3Bus4 192 2026-07-03T09:57:56Z yes https://igcsesciencerevision.com/physics/half-life-uses-and-dangers.html https://i.ytimg.com/vi/yGs9NGQLgSQ/maxresdefault.jpg Half-Life, Uses & Dangers | Edexcel IGCSE Physics Revision What half-life means, and the uses and dangers of radioactivity. https://www.youtube.com/embed/yGs9NGQLgSQ 195 2026-07-03T09:58:14Z yes https://igcsesciencerevision.com/physics/nuclear-fission-and-fusion.html https://i.ytimg.com/vi/shEniIepdTg/maxresdefault.jpg Nuclear Fission & Fusion | Edexcel IGCSE Physics Revision The difference between nuclear fission and nuclear fusion. https://www.youtube.com/embed/shEniIepdTg 191 2026-07-03T09:58:11Z yes https://igcsesciencerevision.com/physics/radiation-penetration-and-nuclear-equations.html https://i.ytimg.com/vi/I4UURbVUiwc/maxresdefault.jpg Radiation Penetration and Nuclear Equations | Edexcel IGCSE Physics Revision Covers investigate penetration safely, Include neutron emission and Balance alpha, beta and neutron equations. https://www.youtube.com/embed/I4UURbVUiwc 169 2026-07-17T11:20:55Z yes https://igcsesciencerevision.com/physics/half-life-calculations.html https://i.ytimg.com/vi/za3H_mm1fsc/maxresdefault.jpg Half-Life Calculations | Edexcel IGCSE Physics Revision Covers distinguish activity from detector count rate, Correct measurements for background radiation and Solve repeated-halving and graph problems. https://www.youtube.com/embed/za3H_mm1fsc 170 2026-07-17T11:21:33Z yes https://igcsesciencerevision.com/physics/irradiation-contamination-and-radioactive-waste.html https://i.ytimg.com/vi/2c1OlEVlDg4/maxresdefault.jpg Irradiation, Contamination and Radioactive Waste | Edexcel IGCSE Physics Revision Covers distinguish irradiation from contamination, Choose controls for each hazard and Explain radioactive-waste disposal problems. https://www.youtube.com/embed/2c1OlEVlDg4 182 2026-07-17T11:20:52Z yes https://igcsesciencerevision.com/physics/nuclear-reactors-and-fusion-energy.html https://i.ytimg.com/vi/E1nytCed8sQ/maxresdefault.jpg Nuclear Reactors and Fusion Energy | Edexcel IGCSE Physics Revision Covers trace energy transfer in fission, Distinguish moderator, control rods and shielding and Explain mass loss and energy release in fusion. https://www.youtube.com/embed/E1nytCed8sQ 161 2026-07-17T11:20:49Z yes https://igcsesciencerevision.com/physics/orbital-speed-using-the-equation.html https://i.ytimg.com/vi/AYFOAv9O5_w/maxresdefault.jpg Orbital Speed: Using the Equation | Edexcel IGCSE Physics Revision Worked examples using the orbital speed equation. https://www.youtube.com/embed/AYFOAv9O5_w 191 2026-07-03T09:58:05Z yes https://igcsesciencerevision.com/physics/the-solar-system-gravity-and-orbits.html https://i.ytimg.com/vi/idPwuEZDY4c/maxresdefault.jpg The Solar System, Gravity and Orbits | Edexcel IGCSE Physics Revision Covers place the solar system within the Milky Way and universe, Explain how mass and distance affect gravitational fields and Compare circular, elliptical and artificial-satellite orbits. https://www.youtube.com/embed/idPwuEZDY4c 183 2026-07-17T11:21:31Z yes https://igcsesciencerevision.com/physics/stellar-evolution.html https://i.ytimg.com/vi/CWOCY3OeIAE/maxresdefault.jpg Stellar Evolution | Edexcel IGCSE Physics Revision The life cycle of stars, from nebula to their final stages. https://www.youtube.com/embed/CWOCY3OeIAE 182 2026-07-03T09:58:02Z yes https://igcsesciencerevision.com/physics/redshift-and-the-big-bang.html https://i.ytimg.com/vi/3NQFUyXuc7M/maxresdefault.jpg Redshift & the Big Bang | Edexcel IGCSE Physics Revision Redshift and the evidence for the Big Bang theory. https://www.youtube.com/embed/3NQFUyXuc7M 187 2026-07-03T09:57:59Z yes https://igcsesciencerevision.com/physics/star-colour-magnitude-and-the-hertzsprung-russell-diagram.html https://i.ytimg.com/vi/9Eh8jhMvzN8/maxresdefault.jpg Star Colour, Magnitude and the Hertzsprung-Russell Diagram | Edexcel IGCSE Physics Revision Covers link star colour to surface temperature, Distinguish apparent and absolute magnitude and Interpret the main regions of an H-R diagram. https://www.youtube.com/embed/9Eh8jhMvzN8 161 2026-07-17T11:20:46Z yes https://igcsesciencerevision.com/physics/big-bang-evidence-the-cmb-and-redshift-calculations-paper-2.html https://i.ytimg.com/vi/dBV3HFk86A0/maxresdefault.jpg Big Bang Evidence, the CMB and Redshift Calculations (Paper 2) | Edexcel IGCSE Physics Revision Covers describe expansion and cooling of the universe, Explain the cosmic microwave background and Use delta lambda / lambda = v/c. https://www.youtube.com/embed/dBV3HFk86A0 178 2026-07-17T11:20:44Z yes