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?

Back

Lava

Front

A volcano that has gentle sloping sides and is formed from a fluid lava

Back

Shield volcano

Front

When an explosive eruption forms a mixture of hot rock, ash, and gas, this material is called a...?

Back

Pyroclastic flow

Front

This is the name for the chain of volcanoes around the edge of the Pacific Plate.

Back

Ring of Fire

Front

A volcano that has steep sides and is formed from ejected ash, cinder, blocks, and bombs is called

Back

a cinder cone volcano

Front

A volcano that is made from layers of both lava flows and pyroclastics is called

Back

a composite volcano

Front

Dormant volcanoes might erupt in the future.

Back

True

Front

A weak spot in the crust where molten material, or magma comes to the surface

Back

volcano

Front

A molten mixture of rock-forming substances, gases, and water from the mantle

Back

Magma