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Earth Science 11 Learning Guide – Unit 7
Name: _______________
7.1 Weathering and Soil
1. Name the three types of weathering.
2. Name the four types of weathering caused by erosion. Which do you
consider to be the most dangerous to humans? Why?
3. How does freeze/thaw cycles affect rocks?
4. What is exfoliation? What type of rocks are affected by this?
5. Name and describe two kinds of chemical weathering.
6. What is biological weathering? Give an example of this.
7. How does physical weathering contribute to chemical weathering?
8. What controls the type of soil that is formed?
9. Which layers of soil have most of the plant roots?
7.2 Running Water
1. What is the most important agent of erosion? What types of erosion does
it do?
2. What four ways does a stream carry material?
3. What two factors govern the carrying capacity of a stream?
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4. Complete the table below. In the first column are the names of various river features, in the second column you
must label them as caused by erosion (removing material) or deposition (dropping off). In the third column your
ability to recognize them is tested as you draw the feature in a drawing program and paste the image in the box
.
Feature
Erosion or deposition
Sketch
levee
delta
oxbow
flood plain
young river valley
alluvial fan
plunge pool
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7.3 Glaciers
1. How do glaciers move?
2. What are the sources of material carried by glaciers? Where are
terminal, recessional, lateral and medial moraines found in
relation to the glacier?
3. Where does a cirque form? How are horns and arêtes related to
cirques?
4. What is the difference between a kettle lake and a tarn?
7.4 Wind and wave action
1. In what area is wind erosion most common? Why?
2. What is a ventifact?
3. What is desert pavement and how does it form?
4. What is loess?
5. How do you identify where waves are eroding most actively?
6. How do beaches form?
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