Why bother learning about science? http://www.guardian.co.uk/science/blog/2009/mar/26/science-gcse-teaching-videos

Are you looking for creative commons (copyright free) clip art images for your science project? http://www.arthursclipart.org/

Simply Science is a great web site with lots of interactive games, quizzes, flash animations and Smartboard stuff - http://users.pipeline.com.au/~jpearce/default.htm

Science Alive is another great site from the NZ Science Centre - http://www.sciencealive.co.nz/for%20kids/for%20kids.htm

Scholastic has some great games and quizzes about Science topics at: http://teacher.scholastic.com/activities/clf/tguidesitemap.htm
You can build a food web, label scientific diagrams, make weather happen or practise classification of living organisms.

Wordsearch generator for revision - http://www.senteacher.org/Worksheet/1/WordSearch.xhtml