Download Weathering - GeoScience

Weathering
Sec. 5.1 - Review Questions
Turn to page 126 of your book. Use section 5.1 to answer these questions.
1. Define: Weathering
2. Name the two types of weathering.
3. What happens to a rock’s mineral composition during mechanical weathering?
4. There are 3 physical processes involved in mechanical weathering, what are they?
5. Describe the process of Frost Wedging.
6. a. What is unloading?
b. How does it contribute to weathering?
7. What types of biological organisms cause mechanical weathering?
8. How does chemical weathering affect the compounds in rock?
9. ___________________ is the most important agent of chemical weathering.
10. Explain how mechanical weathering can increase the rate of chemical weathering on rocks.
11. List two rock characteristics that affect the rate of weathering.
12. List two climatic factors that affect the rate of weathering.
13. What type of climate is most favorable for chemical weathering?
14. True or False: Differential weathering means that harder more resistant rocks take longer to weather
than softer less resistant rocks.