AnswersRMA FL-2001310-EarthSpace Science Semester 1Unit Test

Unit Test — Unit test Answers

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How do erosion and deposition work together to form sand dunes?

A
Waves cause erosion along coastlines and deposit sand away from the shore.
B
Erosion occurs as surface water carries sediment and the sediment is deposited near oceans and lakes.
C
Glaciers cause erosion through the movement of large chunks of ice, which are deposited and form depressions.
D
Erosion occurs through deflation, and sand that was picked up is deposited against an obstruction.
2
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A target is shielded from a radioactive sample by a sheet of metal. What kind of radiation can pass through the sheet of metal and hit the target?

A
gamma rays only
B
gamma rays and beta particles
C
beta particles only
D
beta particles and alpha particles
3

At which location would an object’s weight be the greatest?

A
on Pluto
B
on Earth
C
on the Sun
D
on the moon
4

Which process is responsible for changing the composition of rock?

A
erosion
B
abrasion
C
chemical weathering
D
mechanical weathering
5

Which statement explains how planets move in orbit as supported by Newton’s first law of motion?

A
Planets can change the direction of their own orbital path.
B
Planets can change orbits due to their inertia.
C
Planets in motion will have a constant speed unless acted on by an outside force.
D
Planets with a greater mass will orbit more quickly than smaller planets.
6

Jared is experimenting with a force that is attractive only and the weakest of the fundamental forces. He is experimenting with which force?

A
electromagnetic
B
strong
C
gravitational
D
weak
7

Which formation is one feature of karst topography?

A
caves
B
kettles
C
meanders
D
oxbow lakes
8

Look at the diagram of the moon and three different paths that it could take.

Question illustration
A
the path of the moon toward the Sun
B
the path of the moon’s orbit around Earth
C
the path the moon would take if it had a larger mass than the Sun
D
the path the moon would take if there was no force of Earth’s gravity
9

Scientists use a substance called Iodine-131 to treat cancer. As Iodine-131 undergoes radioactive decay and emits beta particles, it kill cancer cells.

A
strong
B
weak
C
gravitational
D
electromagnetic
10

Which statement best describes a characteristic of deposition?

A
Sediment settles in a new place due to size, water speed, and land shape.
B
Sediment is removed from a new surface location.
C
Moving water affects where sediment travels.
D
Rocks are broken into smaller particles.
11

Which correctly lists the three processes that are affected by freeze and thaw cycles?

A
creep, landslide, and deposition
B
deposition, creep, and weathering
C
landslide, slump, and deposition
D
slump, weathering, and creep
12

A city experiences a heavy rainfall. Days later, when no rainwater is present, rock, debris, and soil fall down a steep hill.Which type of mass movement does this describe?

A
creep
B
landslide
C
mudflow
D
slump
13

Which description explains how inertia changes the effects of gravity on objects in the solar system?

A
keeps the Sun stationary
B
pulls asteroids toward Earth
C
causes shooting stars to stop moving
D
prevents planets from pulling into one another
14

Which process is defined as breaking down rocks into smaller pieces without changing the rocks' compositions?

A
erosion
B
oxidation
C
chemical weathering
D
mechanical weathering
15

Which describes sand?

A
fine-grained
B
retains water
C
water drains quickly
D
good for growing crops
16

Which feature is created by deposition from rivers?

A
rills
B
meanders
C
alluvial fans
D
gullies
17

How do erosion and deposition work together to create a moraine?

A
Waves cause erosion along coastlines and deposit sand away from the shore.
B
Surface water in rivers causes erosion, carrying sediment that gets deposited near an ocean.
C
Glaciers cause erosion as they melt, carrying sediment that gets deposited in a thick layer.
D
Winds cause erosion by blowing around sand that gets deposited in large piles.
18

Which best completes the statement?The electromagnetic force ________ than the gravitational force.

A
is stronger
B
is weaker
C
has greater range
D
has shorter range
19

Which is an example of the electromagnetic force?

A
A compass needle points north toward Earth’s magnetic pole.
B
An iron nail rolls off a table and falls to the ground.
C
The moon pulls on the water in Earth’s oceans, causing tides.
D
Protons that make up a nitrogen atom stay together in the nucleus.
20

Which action results from the combination of gravity and inertia working on the moon?

A
the moon’s orbit around Earth
B
Earth’s downward pull on the moon
C
the moon’s push against other planets
D
Earth’s gravitational pull toward the moon

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