This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the earth's shape and magnetic field. 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 earth's layers. 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 scientific principles of correlation and causation. Review questions are included at the bottom of the study guide.

This set of activities teaches students about the big picture of science using Mars as an example: how to collect data, use evidence, and look at models.

[Free Registration/Login may be required to access all resource tools.] Identifies and describes the two internal layers of Earth.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the movement of tectonic plates throughout Earth's history. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Discusses the motion of the Earth with its day and night cycle, the seasons, the Earth's orbit around the Sun, and its year-long cycle.

[Free Registration/Login may be required to access all resource tools.] Discusses water and where it occurs on Earth, gives an overview of the water cycle, and explains how the ocean is an integral part of the water cycle and is...

[Free Registration/Login may be required to access all resource tools.] Looks at how stratigraphy can be used to determine the relative ages of rocks, how unconformities occur, ways to match rock layers in different areas, and how...

Students play the role of nitrogen atoms traveling through the nitrogen cycle to gain understanding of the varied pathways through the cycle and how nitrogen is relevant to living things.

[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 3. It has sections on physical science, earth science, and life science. Each of those is broken down into 3 to 5 topics.

[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 4. It has sections on physical science, earth science, and life science. Each of those is broken down into eleven or twelve topics.

[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 5. It has sections on physical science, earth science, and life science. The first two are broken down into eleven topics each, and...

Find a glossary and terms of geology in the Earth sciences on this website. This site contains definitions for words such as erosion, fossil, glacier, rocks, minerals, mantle, and topography.

This site helps students learn about the Earth science subject of plate tectonics including major and minor plates, convergent, divergent, and transform boundaries.

How scientists can learn information about the past from fossils. [Free Registration/Login may be required to access all resource tools.]

[Free Registration/Login may be required to access all resource tools.] Looks at how environmental factors put limits on population sizes.

A quick overview of the eight planets in our solar system.

[Free Registration/Login may be required to access all resource tools.] How Wegener's hypothesis of continental drift was refined.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.

Covers divergent plate boundaries on land.[Free Registration/Login may be required to access all resource tools.]

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about convergence at plate boundaries. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the major types of soli. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the types of organisms found in marine environments. Includes a few questions to check for understanding.