Ch 9: Understanding Earth's Atmosphere, Climate & Weather

About This Chapter

Use this chapter's study resources to ensure you have a full understanding of Earth's atmosphere, climate and weather. These engaging lessons, short quizzes and practice exam are available in a secure online setting and can make studying fun and effective.

Understanding Earth's Atmosphere, Climate & Weather - Chapter Summary

Feel confident in your understanding of weather variables, precipitation, tornadoes, hurricanes, the ozone layer and much more by exploring this chapter's entertaining lessons. Developed by top instructors, these lessons make it easy to gain full comprehension of Earth's atmosphere, climate and weather. After completing this chapter, you will be ready to:

  • List and describe major components of the atmosphere
  • Discuss natural factors that determine the climate of a region
  • Exhibit knowledge of the global wind patterns of the three wind belts
  • Identify types of air masses and weather fronts and describe the impact they have on weather
  • Describe the formation of thunderstorms
  • Explain the causes and effects of cyclones
  • Outline causes of floods and explain how to prevent them

This chapter's flexible format gives you the freedom to choose lessons you want to study and visit as often as you'd like. Take advantage of around-the-clock access that ensures you're able to study during the timeframes that suit your schedule. If you develop questions while studying the lessons, visit our Dashboard to submit them to our subject-matter experts with ease. When you're ready, find out how well you understand Earth's atmosphere, climate and weather by taking our multiple-choice quizzes and practice exam.

13 Lessons in Chapter 9: Understanding Earth's Atmosphere, Climate & Weather
Test your knowledge with a 30-question chapter practice test
Major Components of the Atmosphere

1. Major Components of the Atmosphere

Our atmosphere is a complex mixture of many different gases. In this video lesson you will identify the major components of Earth's atmosphere as well as how much there is of each.

Weather Variables: Air Pressure, Temperature & Density

2. Weather Variables: Air Pressure, Temperature & Density

Weather is influenced by a number of factors. In this lesson, you will learn about three key variables that control weather and how they work together to do so.

The Ozone Layer: Importance and the Harmful Effects of Thinning

3. The Ozone Layer: Importance and the Harmful Effects of Thinning

In this lesson, you will learn the importance of the ozone layer and how it is depleted. You will also study the research and policy that has been instrumental in its recovery.

What is Precipitation? - Definition, Types & Formation

4. What is Precipitation? - Definition, Types & Formation

Precipitation comes in many forms, but it all comes from the same general process. In this video lesson you will identify different types of precipitation, as well as how precipitation forms in the atmosphere from condensation.

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 Global Wind Patterns of the Three Wind Belts

6. The Global Wind Patterns of the Three Wind Belts

You are familiar with wind, but did you know there are different wind belts depending on where you are on the earth? This lesson will examine the three main wind belts: polar easterlies, tropical easterlies and prevailing westerlies.

Types of Air Masses & Their Effect on Weather

7. Types of Air Masses & Their Effect on Weather

Air masses affect weather in a number of different ways. In this lesson, you will learn about the different types of air masses found on Earth and how the movement of air masses creates changes in the weather.

Understanding Weather Fronts: Types & Their Effect on Weather

8. Understanding Weather Fronts: Types & Their Effect on Weather

In this video lesson you will learn about how air masses with different characteristics create weather fronts. You will also identify the different types of fronts, as well as what type of weather occurs along them.

What Are Tornadoes? - Definition, Causes & The Enhanced Fujita Scale

9. What Are Tornadoes? - Definition, Causes & The Enhanced Fujita Scale

Tornadoes are dangerous storms that affect millions of people. In this video lesson, you will learn how and where they form, as well as how scientists classify tornadoes using the Enhanced Fujita Scale.

What Are Thunderstorms? - Definition, Types & Formation

10. What Are Thunderstorms? - Definition, Types & Formation

Thunderstorms are common all over the world. In this video lesson, you will learn what they are, how they form and how they create thunder and lightning.

What Are Cyclones? - Types, Causes & Effects

11. What Are Cyclones? - Types, Causes & Effects

The word cyclone refers to many different types of storms. In this video lesson you will learn about how cyclones form, what makes each type different, and what their effects are on both people and the environment.

Hurricanes: Types, Formation, Causes & Effects

12. Hurricanes: Types, Formation, Causes & Effects

Hurricanes are dangerous storms that affect millions of people each year. But what are hurricanes and how do they form? In this video lesson you'll learn about where and how hurricanes develop as well as the types of hurricanes that are possible.

What Are Floods? - Causes, Types & Prevention

13. What Are Floods? - Causes, Types & Prevention

In this video lesson, you will study floods, their causes and their effects. You will learn to identify various methods that are used to prevent floods and explore how preventing natural flood cycles can lead to dangerous flood events.

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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