This superb site has detailed information about the composition of the atmosphere, how it is always changing, how it protects life on earth, and the destructive impact human activity has on it. There is an atmosphere design lab, as well...

If you have seeds at home, try this activity to help kids learn what a seed needs to grow. Students will create experimental conditions in terrariums to study what plants need to live. They will learn about the importance of the...

For this activity, students research what types of severe weather their county has had over the past 50-60 years. They will look at the severity of these events and the number of injuries and deaths they caused. They will then decide...

Get ready to set a course for sky exploration. The following activity is designed to help students learn to listen, read, and communicate in both written and oral formats about the sky.

A brief description of the four spheres of the Earth, with an activity where students brainstorm interactions among them.

Use this site to discover some interesting facts about volcanoes and how they affect the earth. See some great animation and photos of volcanoes as well.