5-1 Weathering

What are the two types of weathering?

• Mechanical

• Formal

• Chemical

• Gradual

Which type of weathering is a process that breaks rocks into smaller pieces?

• mechanical weathering

• chemical weathering

Which type of weathering changes the materials in a rock?

• Mechanical Weathering

• Chemical Weathering

Which of the following are types of chemical weathering (click all that apply)

• dissolving

• ice wedging

• plants

• oxidation

Which of the following are examples of mechanical weathering?

• abrasion

• plants

• oxidation

• animals

Ice wedging, abrasion, plants, and animals are all examples of __________________ weathering

• mechanical

• chemical

Dissolving and Oxidation are types of _______________ weathering.

• mechanical

• chemical

Rocks with more surface area weather

• more easily than rocks with less surface area

• less easily than rocks with less surface area

• about the same as rocks with less surface area

How does acid rain affect weathering?

• Acid rain has little effect on chemical weathering.

• Acid rain slows down the process of chemical weathering

• Acid rain speeds up the process of chemical weathering

Rocks that have __________ hardness undergo mechanical weathering more easily

• low

• high