AnswersRMA FL-2001310-EarthSpace Science Semester 2Energy in the Atmosphere

Energy in the Atmosphere Answers

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1
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Which process causes Earth’s surface to warm?

t
the conduction of heat by air above Earth's surface
t
the radiation of the Sun’s electromagnetic waves
t
the convection of warm air from the atmosphere
t
the reflection of electromagnetic waves off bodies of water
2
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How do ice and water on the ground affect incoming solar radiation?

T
They filter 22 percent of solar radiation that reaches the surface.
T
They reflect 4 percent of solar radiation that reaches the surface.
T
They absorb 100 percent of solar radiation that reaches the surface.
T
They scatter 5 percent of solar radiation that reaches the surface.
3

Which color of visible light has the shortest wavelength?

A
green
B
red
C
violet
D
yellow
4

How does convection occur in the troposphere?

T
The Sun’s rays heat Earth’s surface.
W
Warm air rises and cool air sinks.
T
The warm ground heats the air above it.
T
The Sun’s electromagnetic waves reflect off clouds.
5

What percent of solar radiation is filtered by clouds and may cause sunburn on cloudy days?

3
3 percent
1
14 percent
2
22 percent
3
31 percent
6

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.
7

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
8

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

T
They move faster.
T
They move slower.
T
They lose some energy.
T
They move in a circular direction.
9

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

a
at right angles
t
toward each other
i
in a circular motion
p
parallel to each other
10

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
11

Which is a type of heat transfer that causes the air at the top floor of a building to be hotter than the air at the bottom floor of a building?

A
conduction
B
convection
C
radiation
D
reflection
12

Which is a form of heat transfer that is reduced by using a pot holder when taking a hot dish out of an oven?

A
absorption
B
conduction
C
convection
D
radiation
13

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
14

How does energy from the Sun travel to Earth?

A
through radiation
B
through convection
C
through conduction
D
through the movement of particles
15

Look at the diagram showing the different wavelengths in sunlight.

Question illustration
A
red light
B
violet light
C
infrared light
D
ultraviolet light
16

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

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