Earth Science: Geology, the Environment, and the Universe

Section 1: Weathering

Weathering

1
What is the process by which rocks at Earth's surface break down and change?
A)erosion
B)hydrolysis
C)exfoliation
D)weathering
2
When rocks undergo chemical changes as the result of chemical reactions it is called __________.
A)chemical weathering
B)erosion
C)frost wedging
D)hydrolysis
3
What is the reaction of water with other substances called?
A)oxidation
B)hydrolysis
C)erosion
D)physical weathering
4
In what type of climate does chemical weathering readily occur?
A)warm and wet
B)cool and wet
C)warm and dry
D)cool and dry
5
According to the map in the figure, which land mass undergoes the least amount of chemical weathering?
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A)South America
B)Asia
C)Africa
D)Australia
6
What type of weathering involves changes in the size or shape of the rock?
A)pressure weathering
B)chemical weathering
C)physical weathering
D)hydrolysis
7
How does temperature affect chemical weathering?
A)It is an agent of weathering.
B)It affects the amount of oxygen involved in weathering.
C)It affects the rate of weathering.
D)It affects the type of weathering.
8
Physical weathering rates are highest in areas with __________.
A)repeated freezing and thawing
B)cool and dry climates
C)warm and wet climates
D)warm and dry climates
9
The chemical reaction of oxygen with other substances is called __________.
A)reduction
B)erosion
C)hydrolysis
D)oxidation
10
What two substances combine to form carbonic acid?
A)methane and water
B)oxygen and carbon dioxide
C)carbon dioxide and nitrogen
D)carbon dioxide and water
11
According to the map in the figure, around which latitude would you expect to see the most physical weathering?
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A)above 60 degrees north in Asia
B)between 30 and 60 degrees north in North America
C)around 30 degrees north in Africa
D)between 30 and 60 degrees south in Australia
12
The __________ the total surface area, the __________ chemical weathering that can occur.
A)greater, less
B)greater, same
C)greater, more
D)smaller, more
13
What human activity causes acid precipitation to form?
A)drilling for oil and natural gas
B)clear cutting
C)surface mining
D)burning of fossil fuels and motor vehicle exhaust
14
The repeated thawing and freezing of water in the cracks of rocks is called __________.
A)frost pressure
B)exfoliation
C)frost wedging
D)chemical weathering
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