Science

www.nasa.gov

National Geographic for Kids

Switch Zoo

Science News

Extreme Science

Food Chain

Chain Reaction: Food Chain

Woodland Habitat: Food Chains

Choose a Food Web!

Food Web-Chain Reaction

Animal Links

Classify the Rocks and Minerals

Rock Cycle

Mineral Gallery

Soil Webquest

Answer Worm: Soil

Down and Dirty: Soil Layers

Chem4Kids.com: States of Matter

Underground Adventure

Solid, Liquid, or Gas?

Force in Action

Friction

Inventors and Inventions

Blobz guide to Electric Circuits

Circuit Builder

Butterfly Life Cycle

Recycling for Kids

Recycling
Tips

Green Squad

Parallel Circuit

Series Circuit

Conductors of Electricity  

Chain Reaction: http://www.ecokidsonline.com/pub/eco_info/topics/frogs/chain_reaction/index.cfm

Food Chain simulation: http://puzzling.caret.cam.ac.uk/game.php?game=foodchain

Food Chain Quiz: http://www.kidport.com/grade4/science/foodchain.htm

Food Chain Quiz # 2: http://www.zephyrus.co.uk/foodpuzzlechain.html

Brain Pop video and quiz:

http://magma.nationalgeographic.com/ngexplorer/0309/quickflicks/

 

http://www.sheppardsoftware.com/content/animals/kidscorner/foodchain/foodchain.htm

Difference between a food chain and a food web:

http://www.sciencebob.com/lab/q-web-chain.html