Ch 6: Earthquakes & Volcanoes

About This Chapter

Use this overview of earthquakes and volcanoes to improve your understanding of the major plates of the lithosphere, the eruption of Mount Pinatubo, the Ring of Fire, and more. These lessons can help you feel better prepared to take an exam or engage in a class discussion.

Earthquakes & Volcanoes - Chapter Summary

In this chapter on earthquakes and volcanoes, there are a broad range of topics covered, such as the Earth's crust and convergent plate boundaries. You'll also look at how natural events change habitats. After completing the chapter, you should be able to do the following:

  • Identify unique properties of the Earth's internal layers
  • Discuss the seven major plates of the lithosphere
  • Explain the three types of plate boundaries formed based on the theory of plate tectonics
  • Detail causes of tectonic plate movement and earthquakes
  • Communicate how volcanoes form on land and underwater
  • Define the Ring of Fire
  • Discuss facts about Mount Pinatubo in the Philippines

These brief and informative lessons include engaging illustrations and plenty of real-world examples. Each lesson includes a short multiple-choice quiz to test your knowledge. The quizzes link back to specific topics in the video, so it's easy to look up that particular topic if you get a question wrong.

9 Lessons in Chapter 6: Earthquakes & Volcanoes
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.

Major Plates of the Lithosphere: Earth's Tectonic Plates

2. Major Plates of the Lithosphere: Earth's Tectonic Plates

The outer shell of the earth, the lithosphere, is broken up into tectonic plates. The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate and South American plate.

Plate Boundaries: Convergent, Divergent, and Transform Boundaries

3. Plate Boundaries: Convergent, Divergent, and Transform Boundaries

In the theory of plate tectonics, the earth's crust is broken into plates that move around relative to each other. As a result of this movement, three types of plate boundaries are formed: divergent, convergent, and transform boundaries.

Causes of Tectonic Plate Movement

4. Causes of Tectonic Plate Movement

In this lesson, we explore the causes of plate movement, including thermal convection, ridge push and slab pull. Students will learn how these processes complement each other and form a theory for tectonic plate movement.

What is an Earthquake? - Definition and Components

5. 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.

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 the Ring of Fire? - Definition, Facts & Location

7. What Is the Ring of Fire? - Definition, Facts & Location

The Ring of Fire has produced the world's most destructive and active volcanoes, not to mention most of the world's earthquakes. Read on to find out just what the Ring of Fire is and the volcanoes it has created throughout the planet's history.

Mount Pinatubo: Facts, Eruption & Effects

8. Mount Pinatubo: Facts, Eruption & Effects

Mount Pinatubo in the Philippines is an active volcano that erupted in 1991. The eruption was one of the largest on record during the 20th century. This lesson will cover the facts about Mount Pinatubo and its eruption.

How Natural Events Change Habitats

9. How Natural Events Change Habitats

Natural events, like earthquakes, volcanic eruptions, landslides and floods, can be very powerful and destructive. In this lesson, we will see firsthand how they can change human and wildlife habitats in both damaging and helpful ways.

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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