About This Chapter
Introduction to Weather and Climate - Chapter Summary and Learning Objectives
This chapter starts off by defining weather and climate before delving into lessons on the major components and structure of Earth's atmosphere. You'll learn the ratio of nitrogen to oxygen in the atmosphere and discover that around 99% of Earth's atmospheric mass lies below an altitude of 20 miles or so. You'll also explore how human activity is increasing concentrations of greenhouse gasses to levels that are trapping too much heat and increasing global temperatures. These fun and comprehensive lessons are led by experienced and professional instructors.
After watching the video lessons in this chapter, you should be able to:
- Explain how weather and climate are different but related.
- Discuss the makeup of the Earth's atmosphere.
- Describe how ozone protects us from harmful UV radiation.
- Differentiate among layers of the Earth's atmosphere.
|Weather vs. Climate: Definition, Differences & Effects||Compare and contrast climate and weather.|
|Major Components of the Atmosphere||Identify the major components of the atmosphere, including nitrogen, oxygen, argon and carbon dioxide, as well as variable components, such as water vapor, aerosols and ozone. Describe the effect of CFCs on ozone depletion.|
|The Structure of the Atmosphere||Describe the vertical division of the atmosphere based on temperature.|
1. 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.
2. 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.
3. 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.
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Other chapters within the Earth Science 102: Weather and Climate course