Georgia Science Grade 7

Chapter 25: The Nonliving Environment

CRCT Practice

1
The abiotic factor that provides energy for nearly all life on Earth is
A)air.
B)sunlight.
C)water.
D)soil.
2
Which of the following is characteristic of places at high elevations?
A)fertile soil
B)fewer molecules in the air
C)tall trees
D)warm temperatures
3
The air at point C is

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A)dry and warm.
B)dry and cool.
C)moist and warm.
D)moist and cool.
4
The air at point A is

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A)dry and warm.
B)dry and cool.
C)moist and warm.
D)moist and cool.
5
Which of the following items shown in the diagram contribute to the nitrogen cycle by releasing AND absorbing nitrogen?

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A)the decaying organism only
B)the trees only
C)the trees and the grazing cows
D)the lightning and the decaying organism
6
Which of the following items shown in the diagram contribute to the nitrogen cycle by ONLY releasing nitrogen?

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A)the decaying organism only
B)the trees only
C)the trees and the grazing cows
D)the lightning and the decaying organism
7
Where is most of the energy found in an energy pyramid?
A)at the top level
B)in the middle levels
C)at the bottom level
D)all levels are the same
8
What process do plants use to return water vapor to the atmosphere?
A)transpiration
B)evaporation
C)respiration
D)condensation
9
What organisms remove carbon dioxide gas from the air during photosynthesis?
A)consumers
B)producers
C)herbivores
D)omnivores
10
According to the table, what accounted for the highest water use in the U.S. in 1995?

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A)Homes and Businesses
B)Industry and Mining
C)Farms and Ranches
D)Electricity Production
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