More about volcanoes

Front

What is a pyroclastic flow?

Back

An explosive eruption that hurls ash, hot gases, cinders, and bombs from the main vent and travels at fast speeds down the volcano.

Front

What is the principal ingredient to all types of magma?

Back

Silica.

Front

What type of volcano is characterized by smaller eruptions that typically throw ash and rock fragments into the air?

Back

Cinder cone.

Front

What is the name of the chain of volcanoes around the edge of the Pacific Plate?

Back

Ring of Fire.

Front

Which country lies along the Ring of Fire?

Back

Japan.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is the difference between magma and lava?

Back

Magma is found underground, while lava is magma that has reached the Earth's surface.

Front

What are the three main types of volcanoes?

Back

Cinder cone, shield, and composite volcanoes.

Front

What is a shield volcano?

Back

A type of volcano that has broad, gentle slopes and erupts primarily with lava flows.

Front

What is a composite volcano?

Back

A volcano that is characterized by a combination of explosive eruptions and lava flows, forming steep slopes.