Volcano Vocabulary

Front

Fracture in earth's crust:

Back

fissure

Front

Magma that has reached the surface of Earth:

Back

lava

Front

A property of liquids that describes the tendency to resist flowing:

Back

viscosity

Front

A physical feature of Earth’s surface (examples include a mountain, trench, or valley).

Back

landform

Front

Hot molten rock inside Earth:

Back

magma

Front

The opening of a volcano:

Back

vent

Front

Volcanoes with broad gentle slopes that may appear as dome-shaped mountains:

Back

Shield Volcano

Front

Volcanoes that have alternating layers of lava and ash, appear symmetrical, and are tall and steep.

Back

Composite Volcano

Front

The smaller, most common type of volcanoes that look like cone-shaped mountains:

Back

Cinder Cone Volcano

Front

These volcanoes explode violently, fracture rock into small pieces, and emit lava into the air (which then falls as ash, or cinders):

Back

Cinder Cone Volcano