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.

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 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 scientific principles of correlation and causation. Review questions are included at the bottom of the study guide.

Omar helps his parents sell things at the market. Join him while he learns about the relationship of the Sun, Moon, and Earth.

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.] 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.

Review folds and faults using this review guide.

[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...

[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...

Investigate what constellations are and how to use light-years as a unit of distance in this module. Learn how to measure star distances in creative ways.

Do you know how gravity affects you? This module defines gravity and explains how gravity affects the motion of objects.

[Free Registration/Login may be required to access all resource tools.] Discusses solar and lunar eclipses, the phases of the Moon, and why the phases occur.

[Free Registration/Login may be required to access all resource tools.] Discusses how flowing water causes erosion; describes how runoff, streams, and rivers change Earth's surface; and identifies features caused by groundwater erosion.

[Free Registration/Login may be required to access all resource tools.] Looks at world climate zones and where they are found, types of climates based on the precipitation amounts and vegetation, and what a microclimate is.

[Free Registration/Login may be required to access all resource tools.] Discusses how waves cause erosion of shorelines, features formed by wave deposition, and ways to protect shorelines from wave erosion.

[Free Registration/Login may be required to access all resource tools.] Looks at how wind causes erosion, how sediments are deposited by wind, and ways to prevent wind erosion.

[Free Registration/Login may be required to access all resource tools.] Describes how continental and valley glaciers form, explains how glaciers cause erosion, and identifies landforms that are deposited by glaciers.

[Free Registration/Login may be required to access all resource tools.] Discusses what causes weather, what humidity is and its role in the weather, how clouds are classified, and types of precipitation and how they form.

[Free Registration/Login may be required to access all resource tools.] Discusses what a climate is, how it is related to latitude, how oceans influence climate, and how mountains affect climate.

This investigation will help students understand exactly how much water they use in their home and how to can keep from wasting water.

Students use geologic maps to learn about rocks and minerals.