Volcanoes

Front

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

Back

Magma

Front

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

Back

Lava

Front

What factor(s) determine(s) whether an eruption will be explosive?

Back

The amount of gas and silica in the magma

Front

As magma rises towards the surface it collects in a 'room' called a _____ _____ .

Back

magma chamber

Front

Where are volcanoes found?

Back

All of the above (on land, under water, on islands)

Front

The difference between magma and lava is

Back

where it is found (above or below the surface)

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

__________ volcanoes are formed from fast flowing, lava which flows easily over the surface, forming larger volcanoes with gentle sides.

Back

Shield

Front

A subduction zone is...

Back

where the oceanic plate slides under the continental plate.