AnswersAZ-Earth and Space Science BLab: Absorption and Radiation by Land and Water

Lab: Absorption and Radiation by Land and Water — Cumulative exam Answers

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21
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When a volcano erupts, tiny particles from which of Earth’s spheres are released into the air?

A
atmosphere
B
biosphere
C
geosphere
D
hydrosphere
22
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The cryosphere is part of which sphere of the Earth system?

A
atmosphere
B
biosphere
C
geosphere
D
hydrosphere
23

The field lines around one end of a bar magnet are shown below.

Question illustration
A
It is a south pole because the field lines spread out from this end.
B
It is a north pole because the field lines spread out from this end.
C
It is a south pole because the field lines enter the magnet at this end.
D
It is a north pole because the field lines enter the magnet at this end.
24

A magnet placed against the wall of a metal shed falls to the ground, where it attracts a nail. What is the most likely explanation for this observation?

A
The wall is the opposite pole from the magnet.
B
The shed is not made of iron or steel.
C
The magnet is not magnetized.
D
The nail pulled the magnet to the ground.
25

When does the Northern Hemisphere receive the fewest hours of daylight?

A
during the fall equinox
B
during the winter solstice
C
during the spring equinox
D
during the summer solstice
26

A car has a mass of 1,200 kg. What is its acceleration when the engine exerts a force of 600 N? (Formula: F=ma)

A
0.5 m/s2
B
2 m/s2
C
600 m/s2
D
1,800 m/s2
27

Note the locations of Kansas, Florida, Brazil, Bolivia, and Uruguay on the map.

Question illustration
A
Bolivia
B
Brazil
C
Kansas
D
Uruguay
28

On a test, Helena is defining energy. Which must she include in order to get her answer marked correct?

A
making objects more compact
B
the ability to do work
C
carrying through matter and space
D
the bonds of atoms
29

How do rock types contribute to the rate of weathering?

A
Porous minerals weather faster.
B
Harder minerals break apart more easily.
C
Minerals that dissolve easily weather slower.
D
Permeable rocks have less chemical reactions.
30

Which statement best describes a characteristic of maritime polar air masses?

A
They occur mostly during the summer.
B
They form over water with cool, moist air.
C
They bring dense, heavy snow in the winter.
D
They have cool, dry air that forms over land.
31

Which action can humans take to reduce wave erosion?

A
build drainage systems
B
build houses near coastlines
C
build breakwaters in the ocean
D
reduce vegetation along coastlines
32

Which materials are moved by runoff?

A
nutrients
B
vegetation
C
large rocks
D
paved surfaces
33

Two objects are held close together. When they are released, they move toward one another. Which conclusion is supported by this evidence?

A
The objects are both positively charged.
B
The objects are both negatively charged.
C
The objects have no charge.
D
The objects have opposite charges.
34

An object is moving north at a constant speed. A force of 5 N begins to push the object east at the same moment that a force of 5 N begins to push it west. What will happen to the object?

A
The object will turn toward the west.
B
The object will slow down and stop.
C
The object will accelerate toward the east.
D
The object will continue moving north.
35

Which is one factor that contributes to the formation of polar, temperate, and tropical zones?

A
the angle of the Sun’s rays
B
the direction of seasonal winds
C
the presence of prevailing winds
D
the movement of wind near a mountain
36

Which change will decrease the electric force between two positively charged objects?

A
moving them closer together
B
moving them farther apart
C
adding neutrons
D
removing electrons
37

Which condition causes storms to occur?

A
freezing of water droplets
B
sudden change in air pressure
C
condensation of water vapor
D
rapid heating of upper atmosphere
38

Falak lists the four events involved in the formation of sinkholes.W - Acidic rainwater dissolves the limestone bedrock.X - Large cavities form in the bedrock.Y - Natural holes and cracks become bigger.Z - The ceiling collapses due to the weight of sediment.

A
W, X, Y, Z
B
W, Y, X, Z
C
W, Z, Y, X
D
W, Z, X, Y
39

Which statement best compares the accelerations of two objects in free fall?

A
The heavier object has a greater acceleration.
B
The object that has the greater surface area has the lower acceleration.
C
The object that has the smaller mass has the greater acceleration.
D
The objects have the same acceleration.
40

An electroscope is a device that detects charge on objects that touch it or are brought near it. John rubs a piece of cotton fabric on a plastic rod and then touches the rod to the electroscope.

A
John charges the rod through induction, then charges the electroscope through friction.
B
John charges the rod through conduction, then charges the electroscope through induction.
C
John charges the rod through friction, then charges the electroscope through induction.
D
John charges the rod through friction, then charges the electroscope through conduction.

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