An excellent tutorial with animations which explains how frictional forces including air resistance can affect the motion of an object.Unbalanced Forces
An animated tutorial which demonstrates that unbalanced forces change the speed or direction of movement of an object and that balanced forces produce no change in the movement of an object. Test your knowledge in the quiz.Food Chains
An interactive lesson on the circular nature of food chains and how the sun affects all plants and animals. It also looks at producers and consumers.Variation
A well illustrated, narrated lesson about how living things are sorted into different groups according to their characteristics.What is Energy?
An interactive lesson with animation which explains that energy is the ability to work. It gives examples and you can test your knowledge with the test.What types of food do animals eat?
An easy video explanation of the differences between herbivores, carnivores and omnivores.What is a food chain?
A video which explains about food chains. The terms producers, consumers, predators and prey are covered.Key Stage 3 Bitesize - Chemical and Material Behaviour
Use the revision sections to brush up on your knowledge and then test yourself. Section headings include classifying materials, chemical reactions, metals and non-metals and acids and alkalisKey Stage 3 Bitesize - Organisms, Behaviour and Health
Learn key points and test your knowledge on the main topics which include life processes, humans as organisms, variation and classification and living things and their environment.It's Up To You
An animated BBC site about keeping healthy for 7 to 9 year olds. Find out about healthy food and how exercise is good for you.