Volcanic Terminology and Types Flashcard

Front

A break in the Earth's crust where molten rock, ash, and gases from the Earth's interior escape into the air.

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Volcano

Front

Match the definition: molten (liquefied) rock below the Earth’s surface.

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Magma

Front

Match the definition: molten (liquefied) rock on the Earth’s surface.

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Lava

Front

Match the definition: large, cone-shaped mountains with steep-sides; also called stratovolcanoes. Options: Shield, Composite, Cinder cone, Dome.

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Composite

Front

Definition: A steep, conical hill formed by the accumulation of volcanic debris.

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Cinder cone

Front

A wide volcano with gently sloping sides.

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Shield

Front

A destructive mass of very hot ash and lava fragments, that flow downslope at great speeds, is known as:

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Pyroclastic Flow

Front

A space beneath the surface of the Earth where magma is stored is called:

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Magma Chamber

Front

The weak point in the Earth’s crust where hot magma could reach the surface is known as:

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Main Vent

Front

A small conical hill formed by the accumulation of volcanic material on the side of a volcano is called:

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Secondary Cone