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Questions for Thought
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1

Compare and contrast mechanical and chemical weathering.
2

Granite is the most common rock found on continents. What are the end products after granite has been completely weathered? What happens to these weathering products?
3

What other erosion processes are important as a stream of running water carves a valley in the mountains? Explain.
4

Describe three ways in which a river erodes its channel.
5

What is a floodplain?
6

Describe the characteristic features associated with stream erosion as the stream valley passes through the stages of youth, maturity, and old age.
7

What is a glacier? How does a glacier erode the land?
8

What is rock flour and how is it produced?
9

Could a stream erode the land lower than sea level? Explain.
10

Explain why glacial erosion produces a U-shaped valley but stream erosion produces a V-shaped valley.
11

Name and describe as many ways as you can think of that mechanical weathering occurs in nature. Do not restrict your thinking to those discussed in this chapter.
12

What characteristics of a soil make it a good soil?
13

What essential condition must be met before mass wasting can occur?
14

Compare the features caused by stream erosion, wind erosion, and glacial erosion.
15

Compare the materials deposited by streams, wind, and glaciers.
16

Why do certain stone buildings tend to weather more rapidly in cities than they do in rural areas?
17

Why would mechanical weathering speed up chemical weathering in a humid climate but not in a dry climate?
18

Discuss all the reasons you can in favor of and in opposition to clearing away and burning tropical rainforests for agricultural purposes.





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