Plate Tectonics — Unit test

Question 1

Which event causes a volcanic eruption?

Revolt · Accepted Answer

explosions occurring in magma chambers

Question 2

The image shows the locations of volcanoes around the world.

Revolt · Accepted Answer

Many volcanoes are on the eastern coast of Asia.

Question 3

Which phrase describes a volcano that is not expected to erupt again?

Revolt · Accepted Answer

extinct volcano

Question 4

Earth’s surface is constantly changed by erosion and deposition. Erosion breaks down Earth’s surface by carrying materials away from an area. Deposition builds up Earth’s surface when these materials are deposited in an area over time.

Revolt · Accepted Answer

caldera

Question 5

A volcano that has not erupted in a very long time suddenly has a plume of steam coming from it. Which best describes this volcano?

Revolt · Accepted Answer

was dormant and is now active

Question 6

Which word identifies one stage of volcanic activity?

Revolt · Accepted Answer

dormant

Question 7

Erosion and deposition constantly change Earth’s surface. Erosion carries natural materials like rock and soil from one place to another. Through deposition, these natural materials may be deposited in areas where they build up over time.

Revolt · Accepted Answer

lava plateau

Question 8

The image shows Osorno in Chile, which last erupted in 1869.

Revolt · Accepted Answer

dormant volcano

Question 9

Which statement explains what happens as magma rises inside a volcano?

Revolt · Accepted Answer

The magmatic pressure decreases.

Question 10

Which statement describes convergent boundaries?

Revolt · Accepted Answer

Subduction occurs.

Plate Tectonics — Unit test Answers

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