Front

Where do rockfalls and landslides commonly occur?

Back

In areas with steep cliffs.

Front

How can the Earth's plates move?

Back

They can collide, separate, or slide past each other.

Front

Which type of volcano is the least explosive?

Back

Shield volcanoes.

Front

What supports the hypothesis of continental drift?

Back

All answers are correct: a puzzle-like fit of continents, similar rock structures on different continents, and fossils of animals found on separated continents.

Front

What occurs when materials containing iron are exposed to water and oxygen?

Back

Oxidation.

Front

What is the process of rocks breaking down due to weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces.

Front

What is the theory that explains the movement of Earth's plates?

Back

Plate tectonics is the theory that explains the movement of Earth's plates.

Front

What are the three main types of volcanoes?

Back

Shield, composite, and cinder cone volcanoes.

Front

What is the main cause of earthquakes?

Back

Earthquakes are mainly caused by the movement of tectonic plates.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface.