[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Earth science concepts for middle grades.

[Free Registration/Login may be required to access all resource tools.] How different temperature gradients separate the atmosphere into distinct layers.

There is evidence that the Earth's early atmosphere contained less oxygen but more carbon dioxide and water vapor than it does today. Increased emissions of greenhouse gases have led to climate change. Link to a test is included.

Learning modules created by teachers for teachers to increase the "knowledge of and interest" in the atmospheric sciences. Modules include background information, hands-on activities, and assessments. Modules cover topics such as ozone,...

[Free Registration/Login may be required to access all resource tools.] The atmosphere provides many important functions for Earth.

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

[Free Registration/Login may be required to access all resource tools.] How the pressure and density of the atmosphere varies.

[Free Registration/Login may be required to access all resource tools.] Describes the convection cells present in our atmosphere.

This resource provides materials for teachers on a huge array of topics. Search site by topic, grade level, and desired output (such as lesson plan, case study, assessment or tutorial). Site is focused on earth science, geography, and...

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

In this activity, students think about how various real-world careers relate to personal interests and Earth's systems- the geosphere, hydrosphere, atmosphere, and biosphere.

[Free Registration/Login may be required to access all resource tools.] How Earth's atmosphere and oceans formed.

[Free Registration/Login may be required to access all resource tools.] How Earth's atmosphere and oceans formed.

[Free Registration/Login may be required to access all resource tools.] How different temperature gradients separate the atmosphere into distinct layers.

[Free Registration/Login may be required to access all resource tools.] The atmosphere provides many important functions for Earth.

[Free Registration/Login may be required to access all resource tools.] How the pressure and density of the atmosphere varies.

[Free Registration/Login may be required to access all resource tools.] Describes the convection cells present in our atmosphere.

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

[Free Registration/Login may be required to access all resource tools.] How heat is transferred in the atmosphere.

[Free Registration/Login may be required to access all resource tools.] The balance of heat entering and exiting Earth's atmosphere.

[Free Registration/Login may be required to access all resource tools.] How heat is transferred in the atmosphere.

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

This site offers the text of a college lecture on the atmosphere, with information on the effect prevailing westerlies have on North America.

A complete university-level course in the fundamental principles of impact craters. Includes lecture notes, readings, assignments, and sample student projects.