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General Science Review 8.1
Test Description: Energy in Earth's Atmosphere
Instructions: Answer all questions to get your test result.
1) Energy travels to Earth from the ____ as ___________________
A
heat source; electric waves
B
heat source; electromagnetic waves
C
sun; electric waves
D
sun; electromagnetic waves
2) What type of radiation from the sun arrives in small amounts?
A
infrared radiation
B
2 of the choices
C
ultraviolet radiation
D
visible light
3) What color of visible light has the longest wavelengths?
A
Orange
B
Red
C
Indigo
D
Violet
4) What color of visible light has the most energy
A
Orange
B
Red
C
Blue
D
Indigo
5) Which type of radiation can be felt as heat?
A
ultraviolet radiation
B
visible light
C
none of the choices
D
infrared radiation
6) What percentage of sunlight is reflected back to space?
A
20%
B
50%
C
40%
D
30%
7) Dust particles and gases in the atmosphere reflect light in all directions in a process called:
A
flattering
B
scattering
C
sprinkling
D
spreading
8) Gas molecules scatter _____ wavelengths of light more than ____ long wavelengths of light. This makes the scattered light look________
A
long; short; redder
B
long; short; bluer
C
short; long; bluer
D
short; long; redder
9) Clouds
A
neither absorb or reflect energy from the sun
B
only reflect energy from the sun
C
only absorb energy from the sun
D
can absorb or reflect energy from the sun
10) What is not true?
A
50% of sunlight is absorbed by land and water
B
most infrared radiation can travel back into space
C
Earth's surface absorbs energy from the sun and releases it as infrared radiation
D
gases in the atmosphere hold heat in the atmosphere
*select an answer for all questions
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