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Factors Impacting The Environment
Test Description: Test review for 7th Grade science.
Instructions: Answer all questions to get your test result.
1) Which ecoregion of Texas would most likely be affected by wind erosion?
A
Rolling Plains
B
Blackland Prairies
C
East Texas Piney Woods
D
Gulf Coast Prairies and Marshes
2) Which of the following equipment sets can be used to analyze the effect of human activity on a watershed?
A
hot plate, beaker, graduated cylinder
B
water test kit, beaker, hot plate
C
water test kit, triple beam balance
D
water test kit, hand lens, notebook
3) Palo Duro Canyon (the Grand Canyon of Texas) has steep walls and deep caves. These were most likely carved by
A
years of prevailing winds from the Rocky Mountains
B
water erosion from a fork of the Red River
C
continuous, intense rainfall over long periods of time
D
deforestation by early settlers
4) Which is not an example of mechanical weathering?
A
Carbonation
B
Ice wedging
C
Biotic
D
Exfoliation
5) Texas can be divided into geographically similar areas defined by climate/animal/plant species. These sections of land are called
A
ecosystems
B
substates
C
ecoregions
D
counties
6) Ground water contamination/pollution, in most states, most likely originates from
A
oil spills
B
fertilizer
C
human waste
D
radioactive substances
7) What is the measure of the amount/size of pore space within earth materials (soil, clay, gravel, rock)
A
Recharge zone
B
Ground water
C
Water cycle
D
Porosity
8) Which is a major contributing factor to the water cycle?
A
Sun
B
Waves
C
Moon
D
Gravity
9) What is a natural, underground area where large amounts of ground water fill the spaces between rocks and sediments?
A
Aquifer
B
Watershed
C
Percolation
D
Recharge zone
10) Which is not an example of surface water?
A
Rain
B
Ocean
C
Pond
D
Creek
*select an answer for all questions
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