Answers In Creation Online Geology Curriculum

Geology Chapter 12 Test


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1: This type of weathering causes the peeling off of the outer layers of rocks in thin sheets.
Thermal Expansion
Freeze thaw
Frost (Ice) Wedging
Biotic
2: This type of weathering is common in mountain areas where the temperature is around the freezing point.
Thermal Expansion
Freeze Thaw
Frost (Ice) Wedging
Biotic
3: This type of weathering is caused by ice, which fills cracks and freezes, and enlarges the crack over time.
Thermal Expansion
Freeze Thaw
Frost (Ice) Wedging
Biotic
4: Angular rock fragments that are a product of weathering will usually collect at the foot of a slope. They are normally called talus, but are also known as scree.
True
False
5: The weathering that results in granite domes and batholiths is called
Thermal Expansion
Freeze Thaw
Frost (Ice) Wedging
Pressure Release
6: Hydraulic action is weathering caused by trapped pockets of air.
True
False
7: Pressure release is also known as exfoliation.
True
False
8: Haloclasty is another word for this type of weathering.
Thermal Expansion
Biological
Hydraulic Action
Salt Crystallization
9: When living organisms cause mechanical weathering, it is known as
Biological weathering
Biotic weathering
Organic weathering
10: The two main types of weathering are mechanical weathering and physical weathering.
True
False
11: The process of dissolving a solid into a liquid is known as

12: Carbonation is the process where atmospheric carbon dioxide leads to solution weathering. The first step of this process is:
Carbon dioxide + water = carbonic acid
Carbon dioxide + calcium carbonate = calcium bicarbonate
Carbon dioxide + water = calcium carbonate
13: This is a chemical weathering process that affects silicate minerals, in which pure water ionizes slightly with silicates.
Hydration
Hydrolysis
Oxidation
14: Joints greatly increase the area of a rock body exposed to weathering.
True
False
15: The tendency of an eroding rock to form rounded surfaces is known as
Exfoliation
Spheroidal weathering
Dissolution
16: The eroded, loose soil that covers bedrock is known as

17: There are three main factors that affect the rate of weathering. One of them is climate.
True
False
18: Another of the three main factors that affects the rate of weathering is the surface area exposed to weathering.
True
False
19: Oxidation is a chemical weathering process that is better known as "rusting."
True
False
20: The upper layer of regolith is called soil.
True
False