WEATHERING REVIEW



HONORS EARTH SCIENCE

WEATHERING, SOIL, MASS MOVEMENTS REVIEW

CHAPTER 3 NAME ______________

Date _________ hour ___

1. Define physical (mechanical) weathering (disintegration)

2. Describe and recognize examples of physical weathering

Exfoliation-

Frost wedging-

Mud cracks-

3. Define chemical weathering.

4. Describe examples of chemical weathering (decompostion)

Dissolution-

Oxidation-

Hydrolysis-

5. Give examples of how biologic activity is involved in weathering

Tree roots-

Lichen-

6. Describe the chemical reaction involved in dissolution

7. Explain why limestone is good for acid rain

8. Know the pH scale

9. Determine soil types from the % sand, silt and clay. (triangle)

10. Determine the difference between weathering and erosion. Be able to recognize examples of each.

11. Describe various soils and their usefulness. (soil website)

Clay- sand- silt- loam-

12 Explain how a limestone cave will form. (2 ways- different acids- from video)

How are the 2 acids created?

13. Explain the factors involved in weathering.

Time

Surface area

Climate-

Chemical-

Physical-

Rock type-

14. Describe differential weathering. Give examples:

15. Recoginze and describe various types of mass movements

a. Rockfall/rockslide

b. Mudslide

c. Lahar

d. Slump

e. Avalanche

f. Creep

g. Solifluction

16. Describe the main cause for mass movements.

17. Describe methods to prevent mass movement

18. Explain why rainforest soil is poor to grow crops in. (page 82)

19. Describe 4 ways that caves can form (cave hw)

20. Describe how granite weathers. (feldspars and quartz)

21. What do the following colors tell you about soil?

Red- black- tan-

23. Explain the main cause of avalanches.

Why are avalanche deaths increasing? Provide evidence.

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