Erosion and Its Effects

A river taking soil away from the sides of the riverbank is an example of what?

• wind erosion

• water erosion

• quickly

• slowly

Rain washing away dirt from a farmer’s field is an example of what?

• wind erosion

• water erosion

• quickly

• slowly

An ocean breeze blowing away a sand dune on the beach is an example of what?

• wind erosion

• water erosion

• quickly

• slowly

A rock in a river has the sharp edges worn away. This is an example of what?

• wind erosion

• water erosion

• quickly

• slowly

Quickly moving air blowing sand in the desert is an example of what?

• wind erosion

• water erosion

• quickly

• slowly

Does erosion usually happen quickly or slowly?

• quickly

• slowly

• both

• neither

What could you add to a hillside to stop wind erosion from moving the soil?

• grass

• more soil

• windmills

• tunnels

What could you add to a beach to stop water erosion from moving the sand?

• stone wall

• umbrellas

• nets

• fish

When particles of dirt are moved by wind or water, it is called what?

• erosion

• deposition

• weathering

• sedimentation

True or false: The Grand Canyon was formed very quickly.

• True

• False