This comprehensive study guide covers the main terms and concepts needed for an earth science unit on dark matter. Review questions are included at the bottom of the study guide.

[Free Registration/Login may be required to access all resource tools.] Looks at how atmospheric circulation cells affect the climate of regions.

[Free Registration/Login may be required to access all resource tools.] Describes some factors that lead to long-term climate changes.

In this science fair project, use a globe and a heat lamp to investigate how the angle of the Sun affects global warming. This project includes the objective, background questions, a list of all the materials you'll need, and the...

Students learn about biogeochemical cycles that recycle matter on Earth.

Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.