Energy in the Atmosphere Answers

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As part of the greenhouse effect, Earth’s surface radiates heat back into the atmosphere and the atmosphere absorbs this heat. Why do areas near the equator generally radiate more energy back into the atmosphere than areas near the poles?

A
Areas near the equator have more clouds in the atmosphere than areas near the poles.
B
Areas near the equator receive more incoming solar energy than areas near the poles.
C
The greenhouse effect only occurs near the equator.
D
The greenhouse effect only occurs near the poles.
3

Which interaction contributes to the greenhouse effect?

A
Gases in the atmosphere absorb heat.
B
Dust particles scatter and reflect light from the Sun.
C
Green visible light is trapped in Earth’s atmosphere.
D
Light travels through a thick part of the atmosphere at sunrise and sunset.
4

Why is the sky orange and red at sunrise and sunset?

A
Gases absorb orange and red light.
B
Blue wavelengths are absorbed by the atmosphere.
C
The thick atmosphere scatters all but longer wavelengths.
D
Only short wavelengths are radiated from the Sun in the morning and evening.
6

What causes different colors to appear in the sky?

A
the absorption of light by air molecules
B
the reflection of light by bodies of water
C
the greenhouse effect in Earth’s atmosphere
D
the scattering and reflection of light by dust particles
7

Which lists three parts of sunlight that make up some of the visible spectrum?

A
green, blue, indigo
B
infrared, red, orange
C
ultraviolet, infrared, electromagnetic
D
violet, ultraviolet A, ultraviolet B
9

Which part of Earth most likely has the highest albedo value?

A
smooth ocean ice when the Sun is at a 30-degree angle
B
smooth ocean ice when the Sun is at a 15-degree angle
C
choppy ocean water when the Sun is at a 30-degree angle
D
choppy ocean water when the Sun is at a 15-degree angle
10

What happens to the particles of a substance as its temperature increases?

A
They move faster.
B
They move slower.
C
They lose some energy.
D
They move in a circular direction.
11

Why is the sky orange and red at sunrise and sunset?

A
Gases absorb orange and red light.
B
Blue wavelengths are absorbed by the atmosphere.
C
The thick atmosphere scatters all but longer wavelengths.
D
Only short wavelengths are radiated from the Sun in the morning and evening.
12

Which lists three parts of sunlight that make up some of the visible spectrum?

A
green, blue, indigo
B
infrared, red, orange
C
ultraviolet, infrared, electromagnetic
D
violet, ultraviolet A, ultraviolet B
13

How does convection occur in the troposphere?

A
The Sun’s rays heat Earth’s surface.
B
Warm air rises and cool air sinks.
C
The warm ground heats the air above it.
D
The Sun’s electromagnetic waves reflect off clouds.
14

What happens to the particles of a substance as its temperature increases?

A
They move faster.
B
They move slower.
C
They lose some energy.
D
They move in a circular direction.
15

How do the magnetic and electrical components of electromagnetic waves travel in relation to each other?

A
at right angles
B
toward each other
C
in a circular motion
D
parallel to each other
16

Which interaction contributes to the greenhouse effect?

A
Gases in the atmosphere absorb heat.
B
Dust particles scatter and reflect light from the Sun.
C
Green visible light is trapped in Earth’s atmosphere.
D
Light travels through a thick part of the atmosphere at sunrise and sunset.
17

Which process causes Earth’s surface to warm?

A
the conduction of heat by air above Earth's surface
B
the radiation of the Sun’s electromagnetic waves
C
the convection of warm air from the atmosphere
D
the reflection of electromagnetic waves off bodies of water
18

Look at the diagram showing the different wavelengths in sunlight.

Question illustration
A
red light
B
violet light
C
infrared light
D
ultraviolet light
19

Which part of Earth most likely has the highest albedo value?

A
smooth ocean ice when the Sun is at a 30-degree angle
B
smooth ocean ice when the Sun is at a 15-degree angle
C
choppy ocean water when the Sun is at a 30-degree angle
D
choppy ocean water when the Sun is at a 15-degree angle
20

Which color of visible light has the shortest wavelength?

A
green
B
red
C
violet
D
yellow

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