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Key Stage 3 Bitesize - Biology

Learn key points and test your knowledge on the main topics which include Living Organisms, Nutrition, Digestion and Excretion, Respiration and Gas Exchange, Health and Diseases, Reproduction, Ecosystems and Habitats, and more.

11-14 year olds
Pupils

DNA from the Beginning

An animated primer which looks at the basics of DNA, genes and heredity and the work of important scientists in the field of genetics. Shockwave plugin required.

14-18 year olds
Teachers, Pupils

Materials

A BBC Bitesize resource with 4 learner guides and 17 class video clips on topics such as heating and cooling materials, why we use different materials, which materials dissolve in water and recycling and its effect on the environment.

5-7 year olds
Teachers, Pupils

The Chem Team

Study resources on a wide range of chemistry topics.

14-18 year olds
Teachers, Pupils

What is the Water Cycle?

A simple explanation of the water cycle which includes a cartoon video which goes through the process.

7-11 year olds
Teachers, Pupils

A Walk Through Time - The Evolution of Time Measurement

This presentation traces the history of time keeping from the earliest clocks to present day. It explains ancient calendars and time zones.

11-16 year olds
Teachers, Pupils

The Water Cycle

Interesting activities to aid understanding of the Water Cycle.

11-16 year olds
Pupils

Endangered Animals - World

This animated guide from CBBC tells you about the plight of endangered animals from places around the world.

7-11 year olds
Pupils

Nature's Calendar

Be involved in recording nature sightings in spring and autumn to help scientists understand how climate change is affecting trees, birds and animals. Lots of free wildlife fact packs to download.

11-18 year olds
Teachers, Pupils

Infectious Diseases

Read the facts about microbes, how they cause disease and the human immune system. The site also looks at the ways we treat illness such as vaccination and antibiotics. The site is interactive so you can test your knowledge.

14-16 year olds
Teachers, Pupils, Parents
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