Plate Tectonics

Question 1

Study the image of a seismic graph.About how far does the S wave travel through Earth in 13 minutes?

Revolt · Accepted Answer

4,000 km

Question 2

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

Revolt · Accepted Answer

The continental crust is the coolest region.

Question 3

Study the diagram about the varying pressures of Earth’s Layers.

Revolt · Accepted Answer

inner core

Question 4

Study the images of Earth’s crust and mantle in two different areas.How is Item A different from Item B?

Revolt · Accepted Answer

The crust in Item A is found partially below sea level as compared to the crust in Item B.

Question 5

Which statement describes a difference between the lower mantle and oceanic crust?

Revolt · Accepted Answer

The lower mantle experiences more pressure than oceanic crust does.

Question 6

Study the graph about seismic waves.What does the graph show?

Revolt · Accepted Answer

The P wave travels through Earth’s crust more quickly than the S wave travels.

Question 7

Which object can an S wave travel through?

Revolt · Accepted Answer

soil

Question 8

Study the image of Earth’s layers.

Revolt · Accepted Answer

Earth’s lithosphere is thinner than its asthenosphere.

Question 9

Which layer of Earth experiences the least amount of pressure?

Revolt · Accepted Answer

crust

Question 10

The composition of rocks affects their densities and the densities of Earth’s layers. Use what you have learned and the information in the table to answer the question.In which order would these rocks and minerals be found in the layers of Earth from the crust to the lower mantle?

Revolt · Accepted Answer

rhyolite, eclogite, perovskite, stishovite

Plate Tectonics Answers

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