[Free Registration/Login may be required to access all resource tools.] The lithosphere is made of the brittle crust and uppermost mantle and lies on the plastic asthenosphere. Read about the properties of the lithosphere and asthenosphere.

[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.

[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.

[Free Registration/Login may be required to access all resource tools.] Describes the properites of the thermosphere and exosphere.

[Free Registration/Login may be required to access all resource tools.] Describes the properties of the thermosphere and exosphere.

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

[Free Registration/Login may be required to access all resource tools.] Describes the properties of the stratosphere.

This lesson shows the parts of the atmosphere and their size (thickness) relative to the size of the Earth. It includes background information, lesson outline, links to standards and assessments.

[Free Registration/Login may be required to access all resource tools.] Describes the characteristics and types of soil.

[Free Registration/Login may be required to access all resource tools.] Describes the gases that the atmosphere is made out of.

[Free Registration/Login Required] The lesson teaches fifth grade students about the 4 layers of the Earth. Characteristics of each layer are presented. The lesson incorporates video, student participation, and Activote assessment. The...

[Free Registration/Login may be required to access all resource tools.] Describes the different layers of soil.

[Free Registration/Login may be required to access all resource tools.] Describes the different layers of soil.

[Free Registration/Login Required] Ready made worksheets for any earth science unit on water cycles, the layers of the earth, or volcanoes.

Kids learn about the science of the composition of the Earth. Different layers and what they do.

A slideshow and a short multiple-choice quiz on the rock surface of the Earth, its water, and the gas layers that surround it.

Gives short descriptions of the crust, mantle, outer core, and inner core.

[Free Registration/Login may be required to access all resource tools.] Rules for sedimentary rock formation.

[Free Registration/Login may be required to access all resource tools.] Describes the different layers of soil.

[Free Registration/Login Required] An informational text about the layers of the Earth and a place near the Canary Islands where there is a hole in the crust. A question sheet is available to help students build skills in reading...

Apple provides a description of the USAtlas Geology app, developed by the USGS. The app provides 46 layers of vector information available at The National Atlas of the United States Website.

Ever thought about riding to the core of the earth? Well geophysists David Stevenson has. He has even come up with a way to make a hole, but he has run into some other complications. Maybe you can be the one to solve those problems.

Welcome to Planet Ark's daily Reuters World Environment News - the most comprehensive source of environmental news on the Net. To read previous news stories, please use the search engine below to find stories relating to any...

An impressive collection of lessons on climate science and climate change. The entire book can be downloaded. As well, each lesson has its own page with some combination of background information, PowerPoints, images, maps, glossaries,...