Weathering, Erosion, and Deposition

The Earth:

• is always changing

• has stayed the same for hundreds of years

During weathering, rocks and sediments are...

• broken down into smaller pieces

• moved around from place to place

• placed down

The process of breaking big rocks into little ones is called...

• mechanical weathering

• chemical weathering

Changes that chemical substances can cause int he surface of rock that make it change shape or color are called...

• mechanical weathering

• chemical weathering

The movement of sediments by natural forces is called...

• weathering

• erosion

• deposition

Erosion is

• the movement of broken pieces from one place to another

• the process by which Earth's surface is broken down into smaller pieces

________ is a major cause of erosion.

• moving water

• sand