Weathering and Volcanoes

Front

What type of volcano is Mt. St. Helens?

Back

Composite cone volcano.

Front

What two factors increase the explosiveness of volcanic eruptions?

Back

Increased viscosity and increased gases.

Front

What type of eruptions do cinder cone volcanoes have?

Back

Explosive eruptions.

Front

What is the most important component in chemical weathering?

Back

Water.

Front

What type of mechanical weathering involves roots and animals?

Back

Biological Activity.

Front

Define weathering.

Back

The process of breaking down rocks into smaller pieces.

Front

What is the difference between mechanical and chemical weathering?

Back

Mechanical weathering physically breaks rocks apart, while chemical weathering alters the minerals in rocks.

Front

What is a shield volcano?

Back

A type of volcano characterized by broad, gentle slopes and primarily non-explosive eruptions.

Front

What is a cinder cone volcano?

Back

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

Front

What role does water play in weathering?

Back

Water facilitates chemical reactions that break down minerals in rocks.