1. Chapter 16

2. 1. Which type of rock will be broken down by weathering?
A. igneous
B. sedimentary
C. metamorphic
D. all rock types

3. A. mechanical weathering. B. chemical weathering.
2. Crushing and abrasion that occurs at the base of a cliff due to falling rock is an example of:
A. mechanical weathering.
B. chemical weathering.

4. 3. Rusting of the metal chair on your deck is an example of:
A. mechanical weathering.
B. chemical weathering.

5. 4. The major agent responsible for the rusting of the chair is:
A. acid.
B. oxygen.
C. water.

6. 5. Dissolution is a type of chemical weathering caused by .
A. acid
B. oxygen
C. water

7. 6. Which of the following minerals will weather the fastest?
A. quartz
B. biotite
C. halite
D. olivine

8. 7. Which of the following minerals will weather the slowest?
A. pyroxene
B. calcite
C. orthoclase feldspar
D. quartz

9. 8. Does increased precipitation increase or decrease the rate of chemical weathering?
A. increase
B. decrease

10. 9. Does increased temperature increase or decrease the rate of chemical weathering?
A. increase
B. decrease

11. 10. Complete mechanical weathering of granite would produce:
A. pyroxene and clay minerals.
B. quartz and clay minerals.
C. quartz, feldspar, and micas.
D. calcite and fragments of rhyolite.

12. 11. Complete chemical weathering of granite would produce:
A. pyroxene and clay minerals.
B. quartz and clay minerals.
C. quartz, feldspar, and micas.
D. calcite and fragments of rhyolite.

13. A. acid. B. oxygen. C. water. D. carbon dioxide. E. plants.
12. The main agent responsible for translocation of materials through a soil is:
A. acid.
B. oxygen.
C. water.
D. carbon dioxide.
E. plants.

14. 13. Which of the following factors is not important to soil formation?
A. parent material
B. time
C. climate
D. organisms
E. All of these factors are important.

15. A. parent material. B. time. C. climate. D. topography. E. organisms.
14. The most important soil-forming factor for the production of Aridisols is:
A. parent material.
B. time.
C. climate.
D. topography.
E. organisms.

16. 15. Which of the following has the steepest angle of repose?
A. dry fine sand
B. dry coarse sand
C. damp coarse sand
D. saturated fine sand

17. 16. Which is the most stable situation in terms of mass wasting?
A. steep slope, slightly moist soil
B. steep slope, saturated soil
C. gentle slope, slightly moist soil
D. gentle slope, saturated soil

18. 17. Which is the least stable situation in terms of mass wasting?
A. steep slope, slightly moist soil
B. steep slope, saturated soil
C. gentle slope, slightly moist soil
D. gentle slope, saturated soil

19. A. rock B. unconsolidated material
18. Which type of material typically results in mass movement events with fast rates of movement?
A. rock
B. unconsolidated material

20. 19. Which of the following is the slowest type of mass movement?
A. rockfall
B. rockslide
C. debris slide
D. slump
E. creep

21. 20. Which type of material presents the largest risk of mass movement?
A. granite
B. sandstone
C. shale
D. gneiss
E. limestone