Year 7 and 8 Revision Links

Year 7 Topics:
Cells, Environment, Particles, Solutions, Chemical Reactions, Burning, Energy, Electricity, Forces and Space

Year 8 Topics:
Respiration, Digestion, Microbes, Environment, Elements & Compounds, Heating & Cooling, Light, Sound and Magnets

You can try the quizzes and games on any of these sites - just look for the activities on the topics in your exams:
BBC Bitesize
Doc Brown's Site
North Chadderton School

Some more activities will appear on my site pretty soon.  In the meantime you can look at the Year 9 page where they are revising your topics ready for their SATs.