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Ch 19: The Atmosphere

About This Chapter

Watch video lessons and learn about what makes up Earth's atmosphere. These engaging lessons are just a portion of our online study guide and video collection.

The Atmosphere - Chapter Summary and Learning Objectives

The lessons in this chapter look at the components of the Earth's atmosphere and the impact of variations in each. You will examine the structure of the atmosphere and learn about the various types of climates. Our knowledgeable and seasoned instructors will guide you through this study of topics including precipitation, cloud formation and solar radiation. This chapter can help you understand the following:

  • Heat transfer
  • Humidity
  • Types and causes of air pollution
  • Causes and impact of global warming, the greenhouse effect and ozone depletion

Video Objective
Components of the Atmosphere and Their Effect on Ozone Depletion Identify the major components of the atmosphere, such as nitrogen and oxygen, as well as variable components such as water vapor and aerosols. Describe the effects of chlorofluorocarbons (CFCs) on ozone depletion.
The Structure of the Atmosphere Describe the vertical division of the atmosphere based on temperature.
What is Solar Radiation? - Definition and Effects Describe the effect of solar radiation on seasonal changes.
Temperature, Clouds, Wind and Humidity on the Atmospheric Cycle Understand how temperature, pressure, humidity, clouds and wind determine the state of the atmosphere in its layers.
Mechanisms of Heat Transfer: Conduction, Convection and Radiation Describe the mechanisms of heat transfer within the atmosphere.
What is Humidity? - Definition, Measurements and Effects Describe the role of water vapor in the atmosphere.
What is Cloud Formation? - Definition, Types and Process Describe the roles that water vapor plays in cloud formation including adiabatic temperature changes, adiabatic cooling and condensation.
Air Lift: Definition and Processes Describe the processes that lift air including orographic lifting, frontal wedging, convergence and localized convective lifting.
What is Precipitation? - Definition, Types and Formation Describe how precipitation forms. Describe the forms including rain, snow and hail.
Climate Classifications and Their Global Distribution Identify and describe the different climates on Earth, along with the global distribution of each.
Natural Factors that Determine a Region's Climate Determine how long-term weather patterns of a region dictate its climate.
Global Warming: Atmospheric Causes and Effect on Climate Identify and describe the causes of global warming and how they affect climate.
Ozone Depletion Describe the cause and effect of ozone depletion on the atmosphere.
What is the Greenhouse Effect? - Definition, Impact and Quiz Describe the cause and effect of the greenhouse effect.
What is Air Pollution? - Definition, Sources and Types Describe the causes and effects of air pollution.

15 Lessons in Chapter 19: The Atmosphere
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.

The Structure of the Atmosphere

2. The Structure of the Atmosphere

If you've ever climbed a mountain or been to the beach, you know that the atmosphere is different at different levels. This lesson explains how the structure of the atmosphere is really like a layer cake.

What is Solar Radiation? - Definition & Effects

3. What is Solar Radiation? - Definition & Effects

The sun plays an important role to us on Earth. It provides many things such as light and warmth. But, what is solar radiation and how does it affect us? In this video lesson, you'll learn about solar radiation, how it allows us to survive, and the influence it has on our global climate.

Temperature, Clouds, Wind & Humidity on the Atmospheric Cycle

4. Temperature, Clouds, Wind & Humidity on the Atmospheric Cycle

Weather is the current state of the atmosphere and is determined by factors like temperature, pressure and humidity. These factors that cause periodic changes in the Earth's air masses are explored in this lesson.

Mechanisms of Heat Transfer: Conduction, Convection & Radiation

5. Mechanisms of Heat Transfer: Conduction, Convection & Radiation

There are three main ways that heat is transferred between substances or objects. In this video lesson you'll learn about each one, and identify the differences between them.

What is Humidity? - Definition, Measurements & Effects

6. What is Humidity? - Definition, Measurements & Effects

Humidity is an important aspect of the atmosphere because it affects both weather and climate. In this video lesson you will learn about the different types of humidity and understand how temperature affects water vapor in the air.

What is Cloud Formation? - Definition, Types & Process

7. What is Cloud Formation? - Definition, Types & Process

There are many different types of clouds that form in the sky. In this video lesson you will learn about how clouds form, as well as the different types of clouds and how they are classified.

What is Precipitation? - Definition, Types & Formation

8. 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.

Feedback Mechanisms of Climate Change

9. Feedback Mechanisms of Climate Change

Our climate is performing a constant balancing act. Discover what happens when this balance is upset, how our planet responds, and the important feedback mechanisms at play.

Climate Classifications & Their Global Distribution

10. Climate Classifications & Their Global Distribution

Earth has many climates, but we can categorize them based on common characteristics. In this video lesson you will identify the 5 major climate classifications on Earth, as well as where on Earth these climates are found.

Natural Factors That Determine a Region's Climate

11. 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.

Global Warming: Atmospheric Causes and Effect on Climate

12. Global Warming: Atmospheric Causes and Effect on Climate

Global warming is a multifaceted, complex issue. It involves both natural and human causes that can increase the amount of greenhouse gases. This lesson looks at some of the facts about global warming and how they could contribute to climate change.

The Ozone Layer: Importance and the Harmful Effects of Thinning

13. 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.

Greenhouse Gases and the Enhanced Greenhouse Effect

14. Greenhouse Gases and the Enhanced Greenhouse Effect

In this video lesson, you will learn about the five main greenhouse gases and how their unnaturally high concentrations are leading to the enhanced greenhouse effect and global climate change on Earth.

What Is Air Pollution? - Definition, Sources & Types

15. What Is Air Pollution? - Definition, Sources & Types

In this video lesson, you will learn about the sources and types of air pollution. You will be able to identify the six classes of air pollutants identified by the Environmental Protection Agency and the Clean Air Act of 1970.

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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