Download Lesson 1- What causes Weather

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Chapter 11: Weather and the Water Cycle
Lesson 1: Essential Questions P. 403
Lesson 1: What Causes Weather?
You learned that an atmosphere made up of layers surrounds Earth. Not all energy from the sun reaches the
Earth’s surface. The energy is enough to cause different temperatures in different places, producing local and
global winds.
1.
Focus Skill: Main Idea & Details: Draw and complete a graphic organizer with supporting details for
this main idea: The atmosphere has several layers of air.
2. Summarize: Write a paragraph describing how the sun influences winds on Earth.
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3. Draw Conclusions: How does the troposphere affect everyday living?
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4.
Vocabulary: Choose three vocabulary terms from this lesson. Draw diagrams that illustrate the
meanings of the three terms.
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Test Prep: Critical Thinking: Suppose you’re going fishing on a lake. Describe the winds that might
occur in along the lakeshore.
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5.
6. Test Prep: Which of the following is the most common gas in the troposphere?
A. carbon dioxide
C. oxygen
B. nitrogen
D. water vapor
EXTRA: Make Connections:
Writing: Expository Writing: Suppose you’re on vacation. Write a postcard describing the weather to a
friend. Include temperature, wind speed, and wind direction.
Math: Solve Problems: About 20 percent of the sun’s energy that reaches the air is reflected back into
space. Another 25 percent is absorbed or reflected by the clouds. What percent of the sun’s energy reaches
Earth’s surface.
Health: Sunscreen: Research how the sun affects human skin. Then make a brochure that explains how
people can keep their skin healthy and why they should use sunscreen.