Weathering and Erosion

Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features.

• breaking down large rocks into smaller ones.

• washing away beaches.

• moving topsoil.

What is the process that picks up and moves weathered rocks?

• Deposition

• Landslide

• Weathering

• Erosion

Deposition changes the Earth’s surface because bits of broken rock and soil _____.

• stop rivers from flowing.

• make rich farmlands.

• are dropped in new places.

• move very slowly.

The process by which water, ice, wind, or gravity moves weathered rock and soil from one place to another.

• Weathering

• Erosion

• Deposition

• Crop Rotation

How do plants weather rocks?

• During photosynthesis

• When roots grow into cracks of rocks and expand the rock breaks.

• When the plant moves water from the roots to the leaves, the rock breaks.

• Plants don't weather rocks.

What is the wearing away or breaking down of rocks called?

• Deposition

• Erosion

• Glaciers

• Weathering

What is weathering?

• the breaking down of rocks into sediments

• the movement of sediments from one location to another

• the dropping off of sediments

• the flooding of a river

What is erosion?

• the breaking down of rocks into sediments

• the movement of sediments from one location to another

• the dropping off of sediments

• the flooding of a river

What is deposition?

• the breaking down of rocks into sediments

• the movement of sediments from one location to another

• the dropping off of sediments

• the flooding of a river

What is the name for broken up pieces of rock?

• dirt

• weathering

• sediments

• delta