Exploring Volcano Parts and Functions

Front

What is the part of a volcano called that allows magma to travel to the surface?

Back

Vent

Front

What happens to magma during a volcanic eruption?

Back

Magma rises through the vent, pressure builds, and lava is expelled through the crater.

Front

How can scientists detect the presence of a magma chamber beneath a volcano?

Back

By using seismic waves to detect underground magma movement.

Front

What is the role of the magma chamber in a volcano?

Back

It is the source of magma that erupts through the volcano.

Front

How does the shape of a volcano affect its eruptions?

Back

The shape and size of the vent influence the eruption style.

Front

What is a crater in relation to a volcano?

Back

The opening at the top of a volcano where lava and gases are expelled.

Front

What is lava flow?

Back

The movement of lava as it erupts from a volcano and flows down its sides.

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the Earth's surface, while lava is magma that has reached the surface.

Front

What is a volcanic eruption?

Back

The process by which magma, gases, and ash are expelled from a volcano.

Front

What is the purpose of a vent in a volcano?

Back

To provide a pathway for magma to escape to the surface.