Ch 20: MEGA General Science: Atmosphere, Climate & Weather

About This Chapter

Take a look at these engaging video lessons about the Earth's atmosphere, climate and weather to get ready for the MEGA General Science test. Throughout this chapter, keep track of your progress on your dashboard.

MEGA General Science: Atmosphere, Climate & Weather - Chapter Summary

With the Atmosphere, Climate & Weather chapter of this study guide, you will develop a deeper understanding of material that may appear on the MEGA General Science test. Engaging video lessons will highlight the information you need to know about the atmosphere, climate and weather for this exam. The lessons in this chapter will cover information like:

  • The atmosphere's components and structure
  • Classifications of climate
  • Factors influencing climate
  • Geography and weather
  • Air masses and weather fronts
  • Weather prediction tools
  • Global warming and climate change
  • Ocean currents
  • Gases in volcanic eruptions
  • The causes of lightning

This chapter will outline the atmosphere, climate and weather material that you could find on the MEGA General Science test. You will be well equipped to answer questions addressing everything from weather prediction maps to types of lightening. Test your knowledge with our lesson quizzes, and see what you've mastered and what you still need to work on with the dashboard feature.

14 Lessons in Chapter 20: MEGA General Science: 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.

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.

Weather vs. Climate: Definition, Differences & Effects

3. Weather vs. Climate: Definition, Differences & Effects

This video lesson will guide you in understanding the difference between climate and weather. Discover how they are different but related and how they are the ways you can describe atmospheric conditions on Earth.

Climate Classifications & Their Global Distribution

4. 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

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.

How Geography Affects the Weather

6. How Geography Affects the Weather

After completing this lesson, you will be able to explain how geography affects the weather, including physical geography and human geography. A short quiz will follow.

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.

Predicting the Weather: Tools, Maps & Symbols

9. Predicting the Weather: Tools, Maps & Symbols

How do weather forecasters predict the weather? What tools are used? When you look at a weather map, what do all the symbols mean? Learn about predicting and mapping the weather in this lesson.

Global Warming: Atmospheric Causes and Effect on Climate

10. 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.

Factors Involved in Climate Change

11. Factors Involved in Climate Change

Our Earth's climate has changed many times in her 4.5 billion year lifetime. Discover the multiple factors that influence these changes and test your understanding with a short quiz.

What are Ocean Currents? - Definition & Types

12. What are Ocean Currents? - Definition & Types

Currents are responsible for circulating water throughout the earth's oceans. This lesson will discuss surface ocean currents, deep water ocean currents, and the forces that drive them.

Volcanic Eruption: Gases Released & Their Effects

13. Volcanic Eruption: Gases Released & Their Effects

Volcanic eruptions emit water vapor and toxic gases into the atmosphere. Learn about the gases emitted from an erupting volcano, such as carbon dioxide, sulfur dioxide, hydrogen sulfide, hydrochloric acid and carbon monoxide and their effects in this video lesson.

What is Lightning? - Definition, Types & Causes

14. What is Lightning? - Definition, Types & Causes

Have you ever wondered what lightning is and how it forms? In this lesson, you'll learn how lightning develops, different types of lightning, and what causes thunder.

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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