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Ch 10: Cycles and Layers of the Earth

About This Chapter

Use these video lessons and quizzes to learn about cycles and layers of the Earth. Learn how earthquakes and tsunamis shape the Earth's surface, and find out how ocean currents and atmospheric layers affect weather patterns.

Cycles and Layers of the Earth - Chapter Summary

Lessons in this chapter start by showing you how natural phenomena, like earthquakes, tsunamis and volcanoes, break apart and reshape the Earth's surface. You can also learn about less catastrophic processes affecting the landscape, such as weathering and erosion. Rock groups and the formation of minerals and fossils are also covered before moving on to discuss the ways in which ocean currents, atmospheric layers and landforms influence our weather and our regional climates.

You can also learn about the process by which water moves from the Earth's surface to the atmosphere and back again, or explore the adverse effects of dams, reservoirs and other methods for tapping into ground and surface water resources. Lastly, lessons introduce you to the concepts you'll need to be familiar with to read a landform diagram describing a landscape's geological features. Some of the key topics addressed by this chapter are listed below:

  • Rock groups and geological progression
  • Atmospheric layers and weather patterns
  • Soil absorption, runoff and the water cycle
  • Water storage and resource issues

Our online lessons on cycles and layers of the Earth each include a video presentation by an experienced, knowledgeable educator. These lessons also contain self-assessment quizzes that allow you to link back to video content. If you'd like to access the material in a different format, transcripts link to text lessons that explain key terms and concepts more in-depth.

8 Lessons in Chapter 10: Cycles and Layers of the Earth
Test your knowledge with a 30-question chapter practice test
The Dynamic Earth: Internal & External Forces that Shape Earth's Surface

1. The Dynamic Earth: Internal & External Forces that Shape Earth's Surface

There are many geologic processes that shape the surface of the Earth. Not only do they build and destroy a variety of landscapes, but they also give us clues to the interior of the Earth and the forces that exist there.

How a Landform Diagram Describes the Geological Progression of a Landscape

2. How a Landform Diagram Describes the Geological Progression of a Landscape

This lesson describes what a landform diagram is. We'll also discuss some basic laws of geology that can help scientists deduce both the order of events that create a landform and the geologic events that occur after a landform's formation.

Types of Rocks: The Three Major Rock Groups

3. Types of Rocks: The Three Major Rock Groups

Did you know that lava is molten rock that reaches the earth's surface? Furthermore, did you know that rocks exist in three general forms: igneous, sedimentary and metamorphic? This lesson describes these rock types and examples of each.

Rocks and Minerals: Definitions and Differences

4. Rocks and Minerals: Definitions and Differences

Can you tell the difference between a rock and a mineral? What makes a mineral so much different from a rock? Explore these questions in depth, and learn how we classify rocks and minerals.

Natural Factors That Determine a Region's Climate

5. Natural Factors That Determine a Region's Climate

Climate is influenced by factors like atmosphere, ocean currents, landforms and plate tectonics. This lesson explains how these effects affect our weather patterns, which determine climate.

The Water Cycle: Precipitation, Condensation, and Evaporation

6. The Water Cycle: Precipitation, Condensation, and Evaporation

This lesson discusses the processes water takes as it moves around the Earth in the water cycle. You'll get an in-depth look at condensation, precipitation, and evaporation.

Water Resource Issues: Activities Affecting the Water Supply

7. Water Resource Issues: Activities Affecting the Water Supply

This video lesson describes water resources issues such as aquifer depletion, overdrawing surface waters and salinization of irrigated soil. You will also learn about the impacts of activities affecting water resources.

Water Storage: The Pros and Cons of Dams & Reservoirs

8. Water Storage: The Pros and Cons of Dams & Reservoirs

In this lesson, you will contrast the benefits and drawback of water storage. You will learn about how and why water is stored and how this affects the surrounding ecosystems and human communities.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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