Erosion

What is erosion?

• The process of small rocks and sand being carried from one place to another

• The formation of canyons by water cutting through sand

• The transportation of mail by water

• The movement of large rocks by animals

Which of the following are agents of erosion?

• Wind, gravity, animals

• Wind, fire, lightning

• Rainbows, clouds, thunder

• Snow, ice, hail

How do rivers contribute to erosion?

• By building up their banks over time

• By creating lakes next to them

• By transporting sediments and carving their way through rocks

• By reducing erosion along their path

How are canyons formed by water erosion?

• By wind carrying sand away

• By animals digging into the ground

• By water cutting into sand and leaving openings

• By gravity pulling rocks downhill

What landmark was created by water erosion over millions of years?

• Mount Everest

• Niagara Falls

• The Grand Canyon

• The Sahara Desert