CK-12 Foundation
Ck 12: Biology: Natural Resources Study Guide
Understand what natural resources are, and how important they are to Earth.
ClassFlow
Class Flow: Sources of Energy
[Free Registration/Login Required] In this flipchart, students are introduced to the different sources of energy produced on earth. Students will learn the names of different energy sources, the mechanisms of how each works along with...
ClassFlow
Class Flow: Global Warming
[Free Registration/Login Required] A flipchart that provides information about global warming, and the issues associated with green energy production and usage.
Other
Solar Cooking Archive
This website is brought to you by Solar Cookers International. You can view the site in English, German, Spanish, French, Italian and Portuguese. Check out how to build different types of solar cookers.