Volcanoes Vocab 2025

Front

Crater

Back

A bowl-shaped area that forms around a volcano's central opening.

Front

Shield Volcano

Back

A wide, gently sloping mountain made of layers of lava and formed by quiet eruptions.

Front

Ring of Fire

Back

A major belt of volcanoes that rims the Pacific Ocean.

Front

Magma Chamber

Back

The pocket beneath a volcano where magma collects.

Front

Vent

Back

The opening through which molten rock and gas leave a volcano.

Front

Cinder Cone Volcano

Back

A steep, conical hill formed from volcanic ash and small fragments ejected during eruptions.

Front

Composite Volcano

Back

A volcano made up of alternating layers of lava flows, ash, and other volcanic debris.

Front

Lava Flow

Back

The movement of molten rock that erupts from a volcano.

Front

Hot Spot

Back

An area in the mantle from which heat rises as a thermal plume, causing volcanic activity.

Front

Caldera

Back

A large depression formed when a volcano erupts and collapses.