The Earth's Surface

What is the process of breaking down rock called?

• Weathering

• Erosion

• Deposition

• Sedimentation

Which natural element is NOT mentioned as a cause of weathering in the passage?

• Water

• Ice

• Wind

• Fire

What is the final step in the process of erosion?

• Weathering

• Deposition

• Sedimentation

• Transportation

How long can erosion take to form a river canyon according to the passage?

• Minutes

• Days

• Years

• Millions of years

What is the term for the material deposited by erosion?

• Sediment

• Gravel

• Soil

• Rock

What does a contour line on a map represent?

• Elevation

• Distance

• Direction

• Temperature

Which of the following is NOT a basic part of a good map according to the passage?

• Key

• Compass rose

• Scale

• Grid