[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.] Summarizes the key points about atmospheric processes involving air pressure, air density, and temperature. Includes a few questions to check for understanding.

This site includes learning resources and activities for Earth Science Week 2016. The goal of the week is to "engage young people and others in exploring geoheritage throughout the Earth systems, including the geosphere, hydrosphere,...

Instructional module focusing on Earth's atmosphere. Discussion includes major components, layers, air pressure, and scientific monitoring of the atmosphere. Site also includes an interactive practice quiz and links relating to the topic.

Instructional module focusing on the carbon cycle. Discussion includes the biological and geological components of how carbon moves through the atmosphere, lithosphere, and hydrosphere. Site also includes an interactive practice quiz and...

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

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.

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

This digital textbook covers core earth science concepts and includes interactive features, real-world examples, videos, and study guides.

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

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

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

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

[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.] This study guide reviews the main points to know about atmospheric layers. Includes several questions to check for understanding.

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.

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

Students are guided in how to build their own weather station that will measure temperature, humidity, precipitation, atmospheric pressure, and wind direction and speed.

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,...

Instructional module focusing on the nitrogen cycle. Discussion includes the requirement of nitrogen by all organisms, the five processes in the nitrogen cycle, and how humans impact this cycle. The site also includes an interactive...

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

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

Get the big-picture overview of the importance of Earth's atmosphere and the reactions that happen within it.

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