Characteristics This section describes the components and vertical structure of the atmosphere. It also explains how the relationship between Earth and the sun causes the seasons. Reading Strategy Comparing and Contrasting As you read,
Section 17.1 Atmosphere
Characteristics
This section describes the components and vertical structure of the
atmosphere. It also explains how the relationship between Earth and the sun
causes the seasons.
Reading Strategy
Comparing and Contrasting As you read, complete the Venn diagram
by comparing and contrasting summer and winter solstices. For more
information on this Reading Strategy, see the Reading and Study Skills
in the Skills and Reference Handbook at the end of your textbook.
- is the state of the atmosphere at any given time and place.
Composition of the Atmosphere
- Circle the letter of the gas that is the largest component of the atmosphere.
- oxygen b. nitrogen
- water vapor d. carbon dioxide
- Is the following sentence true or false? The source of all clouds and
precipitation is water vapor. - Why is the ozone layer crucial to life on Earth?
Height and Structure of the Atmosphere
- Is the following sentence true or false? Atmospheric pressure increases with height.
Earth Science Guided Reading and Study Workbook ■ 124
Name Class Date
Chapter 17 The Atmosphere: Structure and Temperature
- Select the appropriate letter in the figure that
identifies each of the following layers of the
atmosphere.
mesosphere thermosphere
troposphere stratosphere
- In the figure, the atmosphere is divided
vertically into four layers based on
.
- Circle the letter of the layer of the atmosphere
that contains the ozone layer. - troposphere b. stratosphere
- mesosphere d. thermosphere
Earth-Sun Relationships
- What are Earth’s two principal motions?
- Select the appropriate letter in the figure that
identifies each of the following months.
March December
June September
- Is the following sentence true or false? At position B in the figure, the Northern
Hemisphere will have longer daylight than darkness. - What causes seasonal changes?
Earth Science Guided Reading and Study Workbook
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