Visit Bill Nye's webpage. Under the home demo tab, you will find activities you can do on your own. Under the Episodes tab, you will find information about different topics. Check it out! http://www.billnye.com
Enchanted learning has all kinds of information and activities. Click on a link under the Kids Pages section or just surf all over. http://www.enchantedlearning.com
This site is basically a library of links to many different sites. There are a lot of science topics to get information about. http://edtech.kennesaw.edu/web/3-5.htm
National Geographic for Kids. Here you will find all kinds of games and activities on a variety of topics. http://www.nationalgeographic.com/kids/
A list of interactive science sites. http://jc-schools.net/tutorials/interactive.htm#Science
Science games to challenge your mind! http://www.funbrain.com/
Awesome information about different science topics can be found here. http://www.factmonster.com/science.html
Interactive Science Fun!!! http://www.bbc.co.uk/schools/scienceclips/index_flash.shtml