AnswersCCPS-2002400-Integrated Science 1 SEM A CR SY27Unit Test

Unit Test — Unit test Answers

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1
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Which increases along faults and leads to rock breaking?

A
damage
B
earthquake
C
focus
D
stress
2
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What may occur when convergent boundaries interact?

A
formation of island chains
B
creation of mid-ocean ridges
C
creation of convection currents
D
formation of rift valleys
3

This image shows a volcanic eruption in Hawaii with lava flowing into the sea.

Question illustration
A
Its magma is high in silica.
B
Its magma has low viscosity.
C
Its gases are released in rapid bursts.
D
Its lava came from an explosive eruption.
4

Which statement best describes the theory of plate tectonics?

A
Plates sometimes move closer to one another.
B
Sections of Earth that shift are part of Earth’s asthenosphere.
C
Sections of Earth’s continents are in slow, constant movement.
D
Parts of the ocean floor move as they are carried by rift valleys.
5

Which is one step that geologists use to find the epicenter of an earthquake?

A
They look at data from at least one seismograph.
B
They measure the difference between arrival of P waves and S waves.
C
They draw circles around the epicenter from three locations.
D
They obtain information about the intensity of earthquakes from seismographs.
6

Which indicates how evidence of climate change supports the theory of continental drift?

A
coal fields in several continents
B
volcano formation
C
glacial evidence found in South Africa
D
folded mountains in Africa and South America
7

Which type of stress causes rocks to fold?

A
compression
B
shearing
C
strike-slip
D
tension
8

The image shows the Great Rift Valley in Africa, an example of a rift valley.

Question illustration
A
The rift valley formed when the crust pulled apart.
B
The rift valley formed due to subduction.
C
The rift valley formed similarly to an island arc.
D
The rift valley formed at a convergent boundary.
9

Which formation is one feature of karst topography?

A
caves
B
kettles
C
meanders
D
oxbow lakes
10

Sophia was studying with Maalik about the layers of the Earth. They were given several different statements about the layers.Which statement about the layers would they identify as correct?

A
The outer core is less than 70 km in thickness.
B
The crust assists in forming Earth’s magnetic field.
C
The mantle is denser than the crust.
D
Pressure increases when moving from the core to the crust.
11

Which is one type of evidence that geologists usually study?

A
location of Earth in outer space
B
waves that move through Earth
C
interactions between living things on Earth
D
diversity of life found on Earth
12

Which feature is created by deposition from rivers?

A
rills
B
meanders
C
alluvial fans
D
gullies
13

The image below shows a fault.

Question illustration
A
The hanging wall and footwall both move vertically.
B
Shearing is causing the plates to slide past each other.
C
The hanging wall moves down in relation to the footwall.
D
Compression is causing the plates to move toward each other.
14

Which statement describes one of Wegener’s ideas that contributed to the theory of continental drift?

A
The continents drifted apart due to repeated meteor impacts.
B
The continents were once connected as one landmass.
C
The continents have moved apart very quickly due to earthquakes.
D
The continents are magnetically pulled toward or pushed away from one another.
15

How did Wegener explain why fossils of land animals were found on continents that are across oceans from one another?

A
Animals evolved separately on each continent.
B
Land bridges existed between the continents.
C
Animals swam across the ocean to new continents.
D
Continents were once one landmass and have drifted apart.
16

Which feature forms when magma cools beneath Earth’s surface?

A
geysers
B
calderas
C
batholiths
D
vents
17

Study the diagram showing the range of temperature in the Earth’s layers.

Question illustration
A
1,613°C
B
2,521°C
C
3,628°C
D
6,217°C
18

How do geologists study direct evidence of Earth’s interior?

A
by collecting drill core samples of Earth’s crust
B
by measuring seismic wave activity
C
by analyzing how living things survive
D
by recording changes in climate patterns
19

When were Earth’s landmasses first recognizable as the continents we know today?

A
10 million years ago
B
135 million years ago
C
180 million years ago
D
300 million years ago
20

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

A
gravity
B
water flow
C
expanding gases
D
convergent boundaries

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