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Name ______________________________ Class ___________________ Date __________________
Skills Worksheet
Section Review
The Effect of Gravity on Erosion and Deposition
USING KEY TERMS
Complete each of the following sentences by choosing the correct term from the
word bank.
creep
mudflow
mass movement
landslide
1. A ______________________ occurs when a large amount of water mixes with
soil and rock.
2. The extremely slow movement of material downslope is called
______________________.
UNDERSTANDING KEY IDEAS
_____ 3. Which of the following is a factor that affects creep?
a. water
b. burrowing animals
c. plant roots
d. All of the above.
4. How is the angle of repose related to mass movement?
_______________________________________________________________
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MATH SKILLS
5. If a lahar is traveling at 80 km/h, how long will it take the lahar to travel 20
km?
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
30
Agents of Erosion and Deposition
Name ______________________________ Class ___________________ Date __________________
Section Review continued
CRITICAL THINKING
6. Identifying Relationships Which types of mass movement are most dangerous
to humans? Explain your answer.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
7. Making Inferences How does deforestation increase the likelihood of
mudflows ?
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
31
Agents of Erosion and Deposition