A pack of lesson plans that can be downloaded, together with video clips from the BBC children's science show that are linked to each lesson. The pack has worksheets and suggested activities for KS3 and 4.
A short video clip which explains food chains and interdependence.
A short video clip which explains some of the consequences of pollution.
A short video clip explaining the carbon cycle.
A description of the relative numbers of organisms in predator-prey cycling, why this process occurs and an animation to show it.
A site that revises the greenhouse effect, global warming and climate change.