Weathering, Erosion, & Soil

Which of the following statements is true?

• Weathering breaks down rock, erosion moves it someplace else

• Erosion breaks down rock, weathering moves it someplace else

What is a process in which the materials in Earth's surface are loosened, dissolved, or worn away and transported from one place to another?

• Chemical weathering

• Erosion

• Solifluction

• Mechanical weathering

Which is NOT one of the primary agents of erosion?

• Wind

• Glaciers

• Gravity

• Plant growth

Which agent of erosion can blow soil over large distances and smooth the face of soft rock?

• Wind

• Glaciers

• Water

• Gravity

Which is NOT true of glaciers?

• They move

• They carry sediment with them

• They carve valleys

• They only have affected land in the Arctic

Mass movement of rocks is caused by

• Gravity

• Wind

• Water

• Glaciers

What might you see if an area has been experiencing soil creep?

• Deep valleys

• Trees & fences pointed sideways

• Glaciers

• Sandstone

Why is soil erosion a major concern?

• It's a completely unnatural process

• If the topsoil erodes, plants can't grow

• Soil erosion is not a concern

• If the topsoil erodes, too many plants will grow

Which is NOT a reason for soil erosion?

• Climate change

• Trees planted near fields

• Catastrophic weather

• Improper farming techniques

What are two ways humans can combat soil erosion?

• Terrace farming

• Plant crops downhill

• Keep trees and plants when land is developed

• Remove plants