Conservation Game Funschool - Clean Up Your Earth
Recycling Game Kaboose - Michael, Michael, Go Recycle
Tips to live green: National Geographic Kids
Earth Day Games Earth Day on Kaboose.com
Play the Simple Machines Quiz. Simple Machine Quiz
Great description of simple machines Museum of Science
Wow! Check out this animated information page on simple machines! Simple Machines
More machines info. plus a kids zone for fun. Canada museum of Science and Technology.
Great Science site through NASA NASA Kids Club
Learn about our world through the Smithsonian Institute Smithsonian Kids
National Geographic Kids