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WorksheetsWeathering & Erosion 1
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
The growth of plant roots and animal activity may result in ________________.
a)
erosion
b)
mechanical weathering
c)
chemical weathering
d)
abrasion
2.
The definition of weathering is _______________________.
a)
the carrying away of rock
b)
the leaching of rock
c)
the breaking down of rock
d)
the permeability of rock
3.
What kind of weathering causes the mineral composition of rock to change?
a)
mechanical weathering
b)
permeable weathering
c)
chemical weathering
d)
general weathering
4.
Which of the following is a type of mechanical weathering?
a)
abrasion
b)
plant growth
c)
freezing and thawing
d)
all of the above
5.
The major source of erosion is _________________.
a)
wind
b)
ice
c)
moving water
d)
snow
6.
What is the relationship between wind erosion and plant cover?
a)
More plants means less erosion
b)
More plants means more erosion
c)
There is no relationship
d)
Less plant cover means less erosion
7.
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called _______________.
a)
plant growth
b)
oxygen
c)
abrasion
d)
ice wedging
8.
The process that splits rock through freezing and thawing is called ______________.
a)
erosion
b)
chemical weathering
c)
ice wedging
d)
abrasion
9.
In the fall, Winston noticed a small crack on a boulder where he played in his backyard. The following spring, he saw that the small crack was much larger than he remembered. What most likely caused the change?
a)
gravity had caused the rock to shift
b)
acid rain had caused the crack to erode
c)
winds had caused the rock to break down
d)
water had frozen and thawed inside the rocks
10.
Rock samples brought back from the moon show absolutely no evidence of weathering. This is MOST LIKELY due to ______________________________.
a)
the lack of atmosphere on the moon
b)
extremely low surface temperatures on the moon
c)
lack of biological activity on the moon
d)
lack of running water on the surface of the moon
11.
Which stone is weathering faster?
a)
Stone A
b)
Stone B
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