Ch 42: Earth's Structure, Shape & Processes

About This Chapter

This mobile-friendly chapter offers basic information about the earth's structure, shape and processes. Access these bite-sized lessons and quizzes whenever you need to prepare for an exam, catch up in class or learn new science concepts.

Earth's Structure, Shape & Processes - Chapter Summary

Check out this collection of engaging science lessons to review topics pertaining to the earth's structure, shape and processes. As you progress through the chapter, you'll study our planet's geologic features, layers, magnetic field and more. By the end of the chapter, you should be able to:

  • Describe the internal layers and shape of the earth
  • Recognize basic geologic features
  • Explain the formation and impact of the earth's magnetic field
  • Identify the components of plate tectonics
  • Discuss volcanic eruptions and earthquakes

These lessons are available 24/7, and they're accessible on any device that has an Internet connection. Try the accompanying self-assessment quizzes to make sure you fully understand these earth science concepts. Your dashboard will keep track of your progress throughout the chapter, and our instructors will be happy to answer any questions you may have.

7 Lessons in Chapter 42: Earth's Structure, Shape & Processes
Test your knowledge with a 30-question chapter practice test
Earth's Internal Layers: Crust, Mantle & Core

1. Earth's Internal Layers: Crust, Mantle & Core

Earth is made up of several different layers, each with unique properties. In this video lesson, you will identify each layer of Earth and how it relates to Earth as a whole.

Shape of the Earth: Density, Stress & Gravity

2. Shape of the Earth: Density, Stress & Gravity

This lesson will seek to explain geodesy and the Earth's shape. In doing so, it will highlight the concepts of gravity, density, and stress, as well as the role they play in the field of geodesy.

Geologic Features: Overview

3. Geologic Features: Overview

Geologic features are all around us, on the earth's surface and beneath our feet, and they are part of the landscape. In this lesson, learn more about geologic features, and then test your knowledge with a quiz.

Earth's Magnetic Field: Formation, Changes & Impact

4. Earth's Magnetic Field: Formation, Changes & Impact

Earth has a magnetic field surrounding it. In this lesson, we will go through what creates it, how it changes, and what impact the change has on our planet.

What is Plate Tectonics? - Definition, Theory & Components

5. What is Plate Tectonics? - Definition, Theory & Components

Imagine ice floating in a glass. Would you believe that we are all living on giant pieces of floating rock, just like the ice in that glass? This lesson explains that theory, an idea known as plate tectonics.

What is a Volcano? - Definition & Eruptions

6. What is a Volcano? - Definition & Eruptions

Volcanoes are vents that allow lava, rock fragments and gases to escape from layers beneath the earth's surface. Learn how volcanoes form both on land and underwater and why they erupt.

What is an Earthquake? - Definition and Components

7. What is an Earthquake? - Definition and Components

Earthquakes are well known for the damage and destruction they leave behind. But what is an earthquake? In this video lesson you will learn about what causes earthquakes and the various components involved in these powerful natural disasters.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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