SEEd 5.1 - Earth Systems (Pre-test)

Front

What is erosion?

Back

Erosion is the process by which natural forces like wind, water, and ice move soil and rock from one location to another.

Front

How does wind cause erosion?

Back

By blowing sand against rock surfaces.

Front

What is weathering?

Back

Weathering is the breaking down of rocks into smaller pieces.

Front

What are the two main types of weathering?

Back

Physical weathering and chemical weathering.

Front

What type of weathering occurs when rocks break apart due to freezing and thawing?

Back

Physical weathering.

Front

What is the difference between body waves and surface waves in an earthquake?

Back

Surface waves cause most of the damage, while body waves cause sharp jolts.

Front

What is a volcano?

Back

A volcano is an opening in the Earth's surface that allows molten rock, ash, and gases to escape from below the Earth's crust.

Front

What is the name of the volcano in Washington state that erupted in 1980?

Back

Mount St. Helens.

Front

What is sediment?

Back

Sediment is small, solid pieces of material that come from rocks or living things.

Front

What is the role of plant roots in weathering?

Back

Plant roots can break apart rocks as they grow, a process known as biological weathering.