Download VOLCANOES AND PLATE TECTONICS

THE ATMOSPHERE: CHAPTER 1
Chapter 1.1: The Air Around You
I.
Vocabulary: Define the following terms from Chapter 1.1.
a.
Weather
b. Atmosphere
c. Ozone
d. Water vapor
Chapter 1.1: The Air around You
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Assessment Questions
1.
What is the atmosphere?
2.
What are the four most common gases in dry air?
3.
Why are the amounts of gases in the atmosphere usually shown as percentages of dry are?
4.
What are three ways in which the atmosphere is important to life on Earth?
5.
How would the amount of carbon dioxide in the atmosphere change if there were no plants?
6.
How would Earth be different without the atmosphere?
Chapter 1.2: Air Pressure
I.
Vocabulary: Define the following terms from Chapter 1.1.
a.
Density
b. Pressure
c. Air pressure
d. Barometer
e. Mercury barometer
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f.
Aneroid barometer
g. Altitude
II.
Assessment Questions
1. What is air pressure?
2. How does increasing the density of a gas affect its pressure?
3. What two instruments are commonly used to measure air pressure?
4. What units are commonly used to measure air pressure?
5. How many milibars are equal to 27.23 inches of mercury?
6. What is altitude?
7. As altitude increases, how does air pressure change? How does density change?
8. What changes in air pressure would you expect if you carried a barometer down a mine shaft?
Chapter 1.3: Layers of the Atmosphere
I.
Vocabulary: Define the following terms from Chapter 1.3.
a.
Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere
e. Ionosphere
f.
II.
Exosphere
Assessment Questions:
1. List the four main layers of the atmosphere, beginning with the layer closest to Earth’s surface.
2. What properties are used to distinguish the layers of the atmosphere?
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3. According to Figure 9, in which layer of the atmosphere do communications satellites orbit?
4. Give at lease one important characteristic of each of the four main layers of Earth’s atmosphere.
5. How does temperature change as height increases in the troposphere? Compare this to how
temperature changes with height in the stratosphere.
6. Why would you not feel warm in the thermosphere, even though temperatures can be up to
1,800°C?
Chapter 1.4: Layers of the Atmosphere
I. Vocabulary: Define the following terms from Chapter 1.4.
a.
Pollutants
b. Photochemical smog
c. Acid rain
II.
Assessment Questions:
1. Name three natural processes and three human activities that cause air pollution.
2. What is the major source of air pollution today?
3. What human activity is responsible for the formation of smog and acid rain?
4. What kind of harm does photochemical smog cause?
5. Do you think that photochemical smog levels are higher during the winter or during the summer?
Explain.
6. How and why has the air quality changed in the United States over the last 30 years?
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