Links for food chain webquest:
1. http://www.zephyrus.co.uk/foodpuzzlechain.html
2. http://www.sciencebob.com/questions/q-food_chain_web.php
3. http://www.crickweb.co.uk/ks2science.html#foodchains
4. http://www.vtaide.com/png/foodchains.htm
5. http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/foodenergy.html