Ch 7: Overview of Earth Science

About This Chapter

15 Lessons in Chapter 7: Overview of Earth Science
Test your knowledge with a 30-question chapter practice test
Acid Precipitation: Definition, Causes & Effects

1. Acid Precipitation: Definition, Causes & Effects

Explore the way that acid precipitation develops and the role that we play in it. Learn about the different environmental and human problems that it can cause.

Atmospheric Carbon Dioxide: History & Environmental Effects

2. Atmospheric Carbon Dioxide: History & Environmental Effects

After this lesson about atmospheric carbon dioxide, you will be able to describe how carbon dioxide levels in our atmosphere have changed over time due to both natural transitions and human-caused disturbances.

What is the Oort Cloud? - Definition, Location & Facts

3. What is the Oort Cloud? - Definition, Location & Facts

This lesson will explain what the Oort cloud is, how it formed as part of the solar system's development, where it's located, and discuss its properties and effects. A short quiz will follow.

North American Plate: Tectonics, Movement & Facts

4. North American Plate: Tectonics, Movement & Facts

Learn about the North American Plate and how it is moving relative to other tectonic plates. In this lesson, we will explore the three major types of plate boundaries that you will find at the North American Plate's edge.

Plate Tectonics: Theory & Definition

5. Plate Tectonics: Theory & Definition

Plate tectonics describes the internal workings of our planet. Using it allows geologists to explain a wide range of geologic features and processes. You will learn the basics about the theory in this lesson.

Ridge Push: Definition & Overview

6. Ridge Push: Definition & Overview

In this lesson, we'll discuss ridge-push, which is one of the driving forces behind tectonic plate motions. We will also introduce the concept of volcanism at mid-ocean ridges.

Slab Pull: Definition & Theory

7. Slab Pull: Definition & Theory

This lesson covers slab pull, which is one of the forces that affect tectonic plate motion. After this lesson, you will understand the mechanics of slab pull and how it factors into theory of plate tectonics.

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

8. 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.

Continental Shelf: Definition & Facts

9. Continental Shelf: Definition & Facts

After reading this lesson, you will be able to explain what a continental shelf is. You'll also be able to describe what happens beneath your feet as you walk out to sea and list some facts about continental shelves. A short quiz will follow.

Pelagic Zone: Definition & Facts

10. Pelagic Zone: Definition & Facts

As with almost all systems on Earth, the ocean is vast and complicated. To make studying the ocean easier, scientists divide it into zones. This lesson dives into the pelagic zone, defining it and discussing some key facts related to this zone.

Indian Ocean: Location, Facts & History

11. Indian Ocean: Location, Facts & History

Explore Earth's third largest ocean, the Indian Ocean, in this lesson. Learn basic facts about this ocean's location, complex circulation patterns, and historical importance. When you are through, test your understanding with a brief quiz.

Oceans: Facts & Information

12. Oceans: Facts & Information

Over fifty percent of the world's population lives near a coastline. The oceans of the world affect our everyday lives, from recreation to resources, to climate. Learn some fun facts about this unique feature of our planet!

Seafloor Spreading: Theory & Definition

13. Seafloor Spreading: Theory & Definition

Seafloor spreading is a part of plate tectonics. Its discovery provided a mechanism for continental drift that Alfred Wegener could not explain. In this lesson, you will learn about this important geologic process.

Waves: Types & Definition

14. Waves: Types & Definition

Examine the different types of waves and what parts of our daily lives are affected by waves, from the ocean to the microwave to sound. Explore how waves are measured and classified.

What is Oceanography? - Definition, History & Facts

15. What is Oceanography? - Definition, History & Facts

While over 70% of the earth is covered by the oceans, much of it remains a mystery. Its immense size and depth entice scientists to uncover these mysteries. In this lesson, you'll learn about oceanography, the field that studies the world's oceans.

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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