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Ch 4: Earth Science Foundations

About This Chapter

11 Lessons in Chapter 4: Earth Science Foundations
Test your knowledge with a 30-question chapter practice test
Subtropical Desert: Climate and Biome

1. Subtropical Desert: Climate and Biome

Have you ever found yourself in a hot, dry, desert landscape? If so, you might have been in a subtropical desert. In this lesson you will explore the climate and biome characteristics that make subtropical deserts unique and able to sustain life.

Mesosphere: Definition, Facts, Temperature & Characteristics

2. Mesosphere: Definition, Facts, Temperature & Characteristics

The atmosphere is made up of many layers, and in the middle is a mysterious layer known as the mesosphere. In this lesson, you will learn the characteristics of the mesosphere, its location within the atmosphere, and how scientists study it.

Asthenosphere: Definition, Temperature & Density

3. Asthenosphere: Definition, Temperature & Density

The asthenosphere is a layer of the inner earth where the crust begins to melt into the mantle. This lesson will discuss the important properties of the asthenosphere.

Core of the Earth: Facts, Composition, Layers & Temperature

4. Core of the Earth: Facts, Composition, Layers & Temperature

This lesson will discuss the layers of the Earth, focusing particularly on the Earth's core, including its chemical composition, temperature, and how the core creates the Earth's magnetic field. A short quiz will follow.

Earth's Mantle: Definition & Facts

5. Earth's Mantle: Definition & Facts

What do we really know about that big, thick orange layer we see in so many cross-sectional diagrams of the Earth's interior? The mantle is a strange place, but it affects us all the time.

Inner Core of the Earth: Definition, Composition & Facts

6. Inner Core of the Earth: Definition, Composition & Facts

The inner core is located at the center of the Earth and is composed of nickel and iron. Most of what we know about the inner core is through studying seismic waves. This lesson will cover the facts about the inner core.

Lava Flow: Definition & Types

7. Lava Flow: Definition & Types

This lesson defines lava and explores the different chemical distinctions of lava. By the end of this lesson, you should be able to name the different types of lava and some of its distinctive morphologies.

Oceanic Crust: Definition, Composition & Facts

8. Oceanic Crust: Definition, Composition & Facts

A thin layer of rock separates the Earth's oceans from the hot mantle beneath them. In this lesson, you'll read about the composition and life cycle of this oceanic crust. Then you can take a quiz to test your understanding.

The Continental Crust: Definition, Formation & Composition

9. The Continental Crust: Definition, Formation & Composition

This lesson will explain what the continental crust is, describe its composition and properties, and discuss the history of how the continental crust was formed.

The Layers of the Earth: Facts, Composition & Temperature

10. The Layers of the Earth: Facts, Composition & Temperature

This lesson will discuss the layers that make up the inside of the Earth chemically, including their composition, temperatures, and the states. A short quiz will follow.

The Lithosphere: Definition & Composition

11. The Lithosphere: Definition & Composition

The lithosphere is where we live. It is also the source of many geologic events that affect us. In this lesson, you will learn more about this important part of our planet.

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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