Weathering, Erosion, and Deposition Quiz

What are the smaller pieces of rocks called?

• Sand

• Sediment

• Boulders

How was the Grand Canyon primarily formed?

• By volcanic eruptions

• by wind

• By the slow, deepening action of rivers

• By earthquakes

What happens to water when it gets into the cracks of a rock and freezes?

• It evaporates

• It turns into gas

• It expands and breaks the rock

• It turns into liquid

How can plant roots contribute to the process of weathering?

• By absorbing sunlight

• By breaking apart rocks

• By creating rainfall

• By causing earthquakes

What type of weathering involves wind picking up sediment and using it to chip away at larger rocks?

• weathering

• Abrasion

• Erosion

What is erosion defined as?

• The breaking down of rocks into smaller pieces

• The movement of sediment from one place to another

• The settling of sediment in a new place

• The creation of new landforms

Which of the following are forces responsible for erosion?

• Water

• Wind

• Gravity

• Heat

What is deposition?

• The process that breaks down rocks into smaller pieces

• The movement of sediment by water, wind or gravity

• When sediment settles in a new location

Where might deposition create new landforms?

• At the top of mountains

• In the middle of oceans

• At the mouth of a river

• In underground caves

What are the landforms created by deposition at the mouth of a river called?

• Sand dunes

• Mountains

• Valleys

• Deltas