Energy in the Atmosphere Answers

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1
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How does energy from the Sun travel to Earth?

A
through radiation
B
through convection
C
through conduction
D
through the movement of particles
2
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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.
3

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
4

Look at the diagram showing the different wavelengths in sunlight.

Question illustration
A
red light
B
violet light
C
infrared light
D
ultraviolet light
5

Which color of visible light has the shortest wavelength?

A
green
B
red
C
violet
D
yellow
6

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.
7

Which type of heat transfer causes a spoon to become warm when it is placed in a cup of hot water?

A
absorption
B
radiation
C
convection
D
conduction
8

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.
9

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
10

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.

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