Erosion and Weathering Quiz

What is erosion?

• Breaking down of rocks

• Cracking of rocks due to temperature change

• Moving rocks, soil, sediments

• Carrying weathered materials away

What is weathering?

• Breaking down of rocks

• Cracking of rocks due to temperature change

• Moving rocks, soil, sediments

• Carrying weathered materials away

Which of the following is an agent of weathering?

• Plant roots

• Gravity

• Water

• All of the abobe

What happens when water seeps into cracks in rocks and freezes?

• The rock can become lava

• The rock is carried away by water

• The water in the rock turns to ice, expands, and cracks the rock

• The rock contracts and shrinks

What causes the particles in a rock to expand and contract?

• Plant roots

• Wind

• Moving water

• Temperature change

Which agent of erosion carries sediments away?

• Roots

• Weathering

• Fossils

• Moving water

What is the process of depositing sediments in a new area called?

• Expansion

• Deposition

• Erosion

• Weathering

Which agent of erosion carries sediments away and deposits them somewhere else?

• Seeds

• Wind

• Ice Wedging

• Caves

Which agent of weathering breaks rocks by waves crashing on them?

• Moving water

• Ice

• Plant roots

• Wind

What is the result of wind blowing over rocks over time?

• The cracks in the rock become bigger

• The rock is carried away by water

• The rock expands and cracks

• The rock breaks into smaller pieces