abcteach
Abcteach: Earth Day Activities
[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...
Teachnology
Teachnology: Earth Day Teaching Theme
Teachers in search of extra resources to help educate students on Earth Day will find an abundance of worksheets, lesson plans, activities and much more from Teachnology.
Planet Pals
Planet Pals: Earth Day
This PlanetPals.com site provides the "Greatest Earth Day Pages Ever!" Includes activities, teaching aides, earth science and history, and more.
Other
Earth's Birthday Project: Educating About the Earth
This site is loaded with science activities for elementary students. There are role plays, recipes, dances, writing exercises and craft ideas. You can also raise you own luna moths, praying mantids, ladybugs or carnivorous plants. Lots...
American Chemical Society
American Chemical Society: Explore Chemistry: Water and Chemistry
Explore water's unique properties in the activities here. Includes ideas for starting a chemistry club, ideas for Earth Day, articles, and videos.