Weathering and Erosion

… is the breaking down of rocks by physical, chemical or biological means.

The freeze-thaw effect is an example of which type of weathering?

• Physical

• Chemical

• Biological

• None of the above

Acid rain is an example of which type of weathering?

• Physical

• Chemical

• Biological

• None of the above

A plant breaking ground rock apart with its roots is an example of which type of weathering?

• Physical

• Chemical

• Biological

• None of the above

… is the movement of weathered rock.

Which cause of erosion is this? The rocks from the bed of a river being carried downstream.

• Water

• Wind

• Gravity

• Ice

Which cause of erosion is this? Rocks being blown away from the surface of a mountain.

• Water

• Wind

• Gravity

• Ice

Which cause of erosion is this? A landslide.

• Water

• Wind

• Gravity

• Ice

Which cause of erosion is this? A glacier moving rock through the arctic.

• Water

• Wind

• Gravity

• Ice

When liquid water freezes into solid ice, it expands by roughly…