Volcano Multiple Choice Test

The main hazard from a quiet volcanic eruption is

When many layers of thin, runny lava build up a high, level area, the result is a

A mass of rock that forms when a large body of magma cools inside the crust is called a(n)

The bowl-shaped area around a volcano’s central vent is called a(n) ____________________.

In which location would you most likely find volcanoes?

Before lava reaches the surface, the molten material is called

When ash, cinders, and bombs build up in a steep pile around a volcano’s vent, the result is a

Which of the following volcano hazards is made up of fine, rocky particles as small as a speck of dust?

The main factor that accounts for the difference between quiet and explosive volcanic eruptions is

The smallest lava fragments produced by an explosive eruption are called volcanic ____________________.

Sometimes rising magma is blocked by layers of rock. The magma forces the layers of rock to bend upward into a landform called a(n) _________________________.

A mass of rock formed when a large body of magma cools inside the crust is called a

The huge hole left by the collapse of a volcanic mountain is called a

What provides the force that causes magma to erupt to the surface?

A string of islands known as a(n) ____________________ can form from the collision of two oceanic plates.

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called

When magma hardens in a volcano’s pipe, the result will eventually be a landform called a

Molten material that leaves a volcano’s vent is called ____________________.

A major volcanic belt known as the _________________________ circles the Pacific Ocean.

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