Land Changes: Erosion, Deposition, and Human Impact Quiz

What is erosion?

• The process of adding material to a landform

• The process of removing material from a landform due to natural forces

• The building of new landforms by volcanic activity

• The cleaning of land by water

How does water cause erosion?

• By freezing and thawing

• By carrying away soil and rock particles

• By depositing sand in new locations

• By absorbing into the ground

What is deposition by wind known as?

• Abrasion

• Attrition

• Aeolian deposition

• Hydraulic action

How do humans impact erosion?

• By planting trees

• By building dams

• By constructing buildings and roads

• Both B and C

What is a river channel?

• A type of fish found in rivers

• The path that a river follows as it flows over the land

• A man-made canal for water transport

• A bridge over a river

Which of the following is NOT a cause of erosion by water?

• Rainfall

• Wind

• Waves

• Rivers

What role does vegetation play in erosion?

• It has no effect on erosion

• It increases erosion

• It helps prevent erosion by holding soil in place

• It makes erosion happen faster

What is the main effect of deposition by wind?

• Erosion of mountains

• Formation of sand dunes

• Creation of rivers

• Deepening of the ocean floor

How does deforestation affect erosion?

• It decreases erosion

• It has no effect on erosion

• It increases erosion

• It stops erosion completely

What is the primary way rivers cause erosion?

• By drying up

• By overflowing their banks

• By the movement of water carrying away rock and soil

• By depositing large amounts of sediment