Volcanoes

Front

What is molten rock that has formed deep within the Earth?

Back

Magma

Front

Volcanoes that have recently erupted are known as:

Back

Active Volcano

Front

__________ volcanoes are usually steep sided. They are formed from layers of ash and lava. Options: Shield, Cone, Dormant, Extinct

Back

Cone

Front

What is molten rock that has reached the Earth's surface? Options: Aa, Lava, Magma, Pahoehoe

Back

Lava

Front

Shield volcanoes have:

Back

gently sloping sides

Front

Explosive eruption that hurls ash, gases, cinders, and bombs from the main vent.

Back

Pyroclastic flow

Front

When a volcano erupts, empties the magma chamber, and collapses the top leaving a huge hole.

Back

Caldera

Front

Inside a volcano, magma collects in a pocket called a: caldera, pipe, magma chamber, vent

Back

magma chamber

Front

An opening through which the lava flows is called:

Back

vent

Front

Rocks that solidify inside the earth's crust are extrusive rocks.

Back

False