Question 1

How are volcanoes usually formed?

Accepted Answer

When two tectonic plates run into each other.

Answer

By water erosion.

Answer

By volcanic eruptions.

Answer

By meteor impacts.

Question 2

What are the Hawaiian Islands made of?

Accepted Answer

Volcanoes.

Answer

Coral reefs.

Answer

Glacial deposits.

Answer

Sand dunes.

Question 3

How are new islands formed by volcanic activity?

Accepted Answer

Volcanic rock and ash, accompanied by billowing clouds of steam, shoot into the air and build a new island.

Answer

By meteorites.

Answer

By erosion.

Answer

By earthquakes.

Question 4

What causes volcanoes to erupt?

Accepted Answer

Gases trapped in the magma.

Answer

High tides.

Answer

Sunlight exposure.

Answer

Wind erosion.

Question 5

What is one similarity between a volcano and a bottle of soda?

Accepted Answer

Both contain expanding gas that can lead to explosions.

Answer

Both are found in the ocean.

Answer

Both are made of glass.

Answer

Both are used for cooking.

Question 6

What happens when magma punches through the Earth's crust?

Accepted Answer

Volcanic rock and ash shoot into the air and build a new island.

Answer

A forest fire breaks out.

Answer

An earthquake happens.

Answer

A tsunami occurs.

Question 7

What is the main factor that determines the shape of a volcano?

Accepted Answer

How the volcano is formed.

Answer

The age of the volcano.

Answer

The amount of rainfall in the area.

Answer

The type of rocks around the volcano.

Question 8

What distinguishes a cinder cone volcano from a shield volcano?

Accepted Answer

Cinder cone volcanoes erupt explosively with cinder and ash.

Answer

Shield volcanoes flow lava quickly.

Answer

Cinder cone volcanoes have flat tops.

Answer

Shield volcanoes are taller.

Question 9

What is the term for a volcano that has not erupted in millions of years?

Accepted Answer

Extinct volcano.

Answer

Historical volcano.

Answer

Active volcano.

Answer

Dormant volcano.

Question 10

What distinguishes an active volcano from a dormant volcano?

Accepted Answer

Active volcanoes are almost always shaking, rumbling, and erupting.

Answer

Dormant volcanoes are constantly steaming.

Answer

Active volcanoes have flat tops.

Answer

Dormant volcanoes are taller.

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