New York Science Grade 7

Section 1: Weathering and Soil Formation

Section Quizzes - English

1
All of the following EXCEPT __________ can weather rock.
A)sunlight
B)freezing and thawing
C)animals
D)plants
2
Mechanical weathering can result from the action of all of the following EXCEPT __________.
A)ice wedging
B)burrowing by animals
C)carbonic acid
D)plant roots
3
Chemical weathering is more rapid in areas with __________.
A)dry, warm air
B)dry, cool air
C)warm, moist air
D)moist, cool air
4
Plant roots can contribute to __________.
A)chemical and mechanical weathering
B)chemical weathering only
C)mechanical weathering only
D)neither chemical nor mechanical weathering
5
When materials containing iron are exposed to water and oxygen, __________ can occur.
A)mechanical weathering
B)wedging
C)ironization
D)oxidation
6
Soil is a mixture of all of the following EXCEPT __________.
A)erosion
B)weathered rock
C)organic matter
D)air
7
Soil formation is affected by all of the following EXCEPT __________.
A)the amount of sediment
B)parent rock type
C)surface features of an area
D)climate
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