B. Multiple Choice: Choose the letter of the best answer and write it on your answer sheet.
6. This is the layer where meteors, or shooting stars burns up.
A. Troposphere
B. Stratosphere
C. Mesosphere D. Thermosphere
7. The layers of the atmosphere are separated according to this change.
A. Altitude
B. Elevation
C. Temperature D. distance from the Sun
8. As you get higher off the ground what happens to air temperature?
A. It increases
B. it decreases
C. It stays the same D. all of the above
9. Which layer of the atmosphere contains life forms and weather?
A. Troposphere
B. Stratosphere
C. Mesosphere D.Thermosphere
10. In a typical troposphere, air temperature decreases with height at the following rate:
A. 2.5 degree C per one kilometer
C. 6.5 degree C per one kilometer B.
10.5 degree C per one kilometer D. none
11. Earth’s atmosphere traps energy from the sun, which
A. Allows water to exist as a liquid C. Allows solar radiation to penetrate to the surface
B. Allows ozone to form freely
D. Causes meteors to burn up
12. The atmosphere is a mixture of ______A. gases
B. rocks
C. water
D. minerals
13. About three fourths of the atmosphere is ____________.
A. oxygen
B. nitrogen
C. ozone
D. methane
14. The layer of atmosphere closest to Earth is the _____________
A. thermosphere B. mesosphere
C. mesosphere
D. troposphere
15. Ozone keeps most of the sun’s harmful __________ from reaching Earth.
A. radiation
6. This is the layer where meteors, or shooting stars burns up.
A. Troposphere
B. Stratosphere
C. Mesosphere D. Thermosphere
7. The layers of the atmosphere are separated according to this change.
A. Altitude
B. Elevation
C. Temperature D. distance from the Sun
8. As you get higher off the ground what happens to air temperature?
A. It increases
B. it decreases
C. It stays the same D. all of the above
9. Which layer of the atmosphere contains life forms and weather?
A. Troposphere
B. Stratosphere
C. Mesosphere D.Thermosphere
10. In a typical troposphere, air temperature decreases with height at the following rate:
A. 2.5 degree C per one kilometer
C. 6.5 degree C per one kilometer B.
10.5 degree C per one kilometer D. none
11. Earth’s atmosphere traps energy from the sun, which
A. Allows water to exist as a liquid C. Allows solar radiation to penetrate to the surface
B. Allows ozone to form freely
D. Causes meteors to burn up
12. The atmosphere is a mixture of ______A. gases
B. rocks
C. water
D. minerals
13. About three fourths of the atmosphere is ____________.
A. oxygen
B. nitrogen
C. ozone
D. methane
14. The layer of atmosphere closest to Earth is the _____________
A. thermosphere B. mesosphere
C. mesosphere
D. troposphere
15. Ozone keeps most of the sun’s harmful __________ from reaching Earth.
A. radiation
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Answer:
My answer
6. D.
7. D.
8. C.
9.B
10.B
11.C
12.C
13.A
14.A
Explanation:
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