Set 8A (Earth Science)

Front

What is a volcano?

Back

A volcano is a mountain landform built from solidified magma.

Front

What type of rock are volcanoes made of?

Back

Volcanoes are made of igneous rock, which is rock formed from molten earth.

Front

What is a caldera?

Back

A caldera is an area of lower elevation that is formed when the crater of a volcano sinks in as lava escapes.

Front

What type of volcanism occurs on top of the earth’s crust?

Back

Extrusive volcanism occurs on top of the earth’s crust.

Front

What is intrusive volcanism?

Back

Intrusive volcanism refers to processes that form igneous rock that stays underneath the earth’s surface.

Front

What is magma?

Back

Magma is molten rock located beneath the earth's surface.

Front

What is lava?

Back

Lava is molten rock that has erupted onto the earth's surface.

Front

What is the difference between extrusive and intrusive rock?

Back

Extrusive rock forms from lava that cools on the surface, while intrusive rock forms from magma that cools beneath the surface.

Front

What is a volcanic eruption?

Back

A volcanic eruption is the release of lava, ash, and gases from a volcano.

Front

What are the main types of volcanoes?

Back

The main types of volcanoes are shield volcanoes, stratovolcanoes, and cinder cone volcanoes.