AnswersOC27 EarthSpace Sci-2001310-S1-NelsonPlate Tectonics

Plate Tectonics Answers

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1
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Study this image.

Question illustration
A
mountains
B
rift valleys
C
volcanoes
D
island chains
2
Free Preview

Study this image.

Question illustration
A
A volcano is forming.
B
Plates are converging.
C
A rift valley is forming.
D
A transform boundary is occurring.
3

Many earthquakes occur near mid-ocean ridges but do not destroy or form new crust. Instead, plates slip past each other. Which kind of boundary is found at these earthquake locations?

A
transform boundary between two ocean plates
B
transform boundary between two continental plates
C
convergent boundary between two ocean plates
D
convergent boundary between two continental plates
4

Study the image about convection currents.

Question illustration
A
1
B
2
C
3
D
4
5

Occasionally earthquakes occur as a result of collisions along oceanic-continental convergent boundaries. Where do these earthquakes most likely occur?

A
on land but close to oceans
B
inland, far from the coast
C
in the middle of the oceans
D
anywhere there are mountains
6

Which statement explains the relationship between the density of a material and its movement in Earth’s interior?

A
Cooler materials move from Earth’s mantle to the lithosphere.
B
Cooler materials are highly dense, causing them to sink to the outer core.
C
Warmer materials sink to the mantle because their density slowly decreases.
D
Warmer materials have a high density, causing them to rise to Earth’s surface.
7

Study the map.Which plate borders the Philippine Plate?

Question illustration
A
African
B
Antarctic
C
Eurasian
D
North American
8

Study the image of Earth’s interior.

Question illustration
A
how convection currents move in Earth’s interior
B
the location of heated material near Earth’s surface
C
where plates move as material cools in the outer core
D
why the densities of materials remain constant at different layers
9

Which describes the boundary where earthquake activity occurs along rift valleys?

A
divergent boundary in the ocean
B
divergent boundary on land
C
convergent boundary in the ocean
D
convergent boundary on land
10

Study this map of the world.

Question illustration
A
Indo-Australian
B
African
C
Pacific
D
Eurasian
11

Which statement describes John Tuzo Wilson’s contribution to the theory of plate tectonics?

A
He proposed that plates carry parts of the seafloor.
B
He theorized that pieces of Earth move for a limited time.
C
He suggested that the asthenosphere is broken into segments.
D
He observed seafloor cracks similar to existing cracks in the continents.
12

Study the image.

Question illustration
A
does not occur in oceans
B
may form rift valleys
C
is a type of convergent boundary
D
is a region where earthquakes occur
13

Sometimes earthquakes occur at a boundary between the Indian and Eurasian Plates. The collisions of these two continental plates formed the Himalayan mountain range.Based on this information, which type of boundary exists between the Indian and Eurasian Plates?

A
continental-continental convergent
B
continental-continental divergent
C
oceanic-continental divergent
D
oceanic-continental convergent
14

Many more earthquakes occur along the San Andreas Fault in California than in other parts of the United States. Scientists claim that these earthquakes are caused by activity along a transform plate boundary.Which evidence would best support this claim?

A
Subduction causes new crust to form.
B
Subduction causes old crust to be destroyed.
C
Plates slip past each other at the boundary.
D
Plates collide with each other at the boundary.
15

Study this image.

Question illustration
A
A volcano is forming.
B
Plates are converging.
C
A rift valley is forming.
D
A transform boundary is occurring.
16

Where is a divergent boundary most likely to be found?

A
in the ocean where plates move away from each other
B
on land where plates slip past each other
C
in the ocean where plates do not move
D
on land where plates move towards each other
17

Study the image.

Question illustration
A
A convergent boundary is formed.
B
Two plates are forming a divergent boundary.
C
Continental plates are sliding past each other.
D
Several mid-ocean ridges are formed on Earth’s surface.
18

Study the image about convection currents.

Question illustration
A
1
B
2
C
3
D
4
19

In which two places do divergent boundaries occur?

A
land and oceans
B
oceans and volcanoes
C
volcanoes and lower mantle
D
lower mantle and land
20

Occasionally earthquakes occur as a result of collisions along oceanic-continental convergent boundaries. Where do these earthquakes most likely occur?

A
on land but close to oceans
B
inland, far from the coast
C
in the middle of the oceans
D
anywhere there are mountains

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