National Geographic for Kids http://kids.nationalgeographic.com/
Animals.com http://animals.com/
Animal Planet: Wild Animals http://animal.discovery.com/animals/
Check out wild animals on kids.yahoo.com http://kids.yahoo.com/animals
Ecosystem Activities http://www.ecokids.ca/pub/games_activities/index.cfm
Study Island (Play the games that go with life science and space science.) http://www.studyisland.com
Current Phases of the Moon http://www.almanac.com/astronomy/moon/index.php
Bill Nye the Science Guy Website http://www.billnye.com/
How Stuff Works (A really cool website to surf!) http://www.howstuffworks.com/
Frogguts.com (Click on the "demos" link to virtually dissect a frog! Gross!) http://www.froguts.com/flash_content/index.html
Kids Astronomy (Phases of the Moon website) http://www.kidsastronomy.com/astroskymap/lunar.htm
NASA for Kids http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html
Pictures of Cloud Types http://asd-www.larc.nasa.gov/SCOOL/cldchart.html
Weather Wiz Kids http://www.weatherwizkids.com/index.htm
The Layers of the Earth http://volcano.und.nodak.edu/vwdocs/vwlessons/lessons/Earths_layers/Earths_layers1.html
EdHeads (Do the Simple Machines Activity) http://www.edheads.org/
Digestive System http://kitses.com/animation/swfs/digestion.swf
Make a Food Chain http://www.ecokidsonline.com/pub/eco_info/topics/frogs/chain_reaction/index.cfm
Some great food chain/food web websites http://www.picadome.fcps.net/lab/currl/food_chain/default.htm
Discovery Education