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