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Minerals, Rocks, Weathering, Soil, Soil Conservation, Erosion
Test Description: Minerals, rocks, weathering, erosion, soil
Instructions: Answer all questions to get your test result.
1) What happens to small pieces of sediment when they are broken away by wind or water?
A
they turn into earthworms
B
they become part of the soil
C
they become food for animals
D
plants use them for energy
2) Strip mining
A
does not disturb soil
B
adds soil to the surface
C
prevents erosion
D
removes soil from the surface
3) In the 1900s the Great Plains in the U.S. was hit by drought causing a serious problem. This was known as the Dust Bowl. What inference can be made as to the cause of the Dust Bowl?
A
Cars on dirt roads created large clouds of dust that settled on everything
B
farming exposed the soil, it dried out and blew away
C
drought and then rain caused the soil to wash away
D
there were too many farms in one area
4) Every year thousands of square kilometers of the tropical rain forest are cleared for lumber, farming, and grazing. This process is called deforestation. How does deforestation affect the soil in this region?
A
the soil is exposed to wind and rain and erosion increases
B
Increased farming creates better soil with less erosion
C
the soil becomes more fertile and less erosion occurs
D
the soil gets more sunshine so erosion cannot occur
5) The property to classify minerals by the color of their powder is
A
streak
B
luster
C
density
D
hardness
6) The property of identifying a mineral by the ability to scratch another mineral is
A
hardness
B
streak
C
cleavage
D
luster
7) The scale used to measure the hardness of a mineral is
A
Mohs scale
B
the magnitude intensity scale
C
the Richter scale
D
the Mercalli scale
8) The property to identity minerals by the way they reflect light is
A
density
B
color
C
streak
D
luster
9) Metamorphic rock can be changed to sedimentary rock by
A
weathering, erosion, cooling, and hardening
B
heat and pressure followed by melting
C
weathering, erosion, compaction, and cementation
D
melting, followed by cooling and crystallization
10) The Great Plains suffered severe drought in the 1800s. This was called
A
The Wind Bowl
B
The Drought
C
The Dust Bowl
D
The Erosion Bowl
11) Planting the same crop year after year decreases the fertility of soil. What can be planted to replenish the soil?
A
corn
B
cotton
C
wheat
D
legumes/peanuts
12) Deforestation/clear cutting, the removing of trees in an area, would be a major cause of
A
erosion
B
weathering
C
deposition
D
pollution
13) The Dust Bowl of the 1930s was a result of poor farming practices and
A
rain followed by freezing
B
drought followed by freezing
C
drought followed by winds
D
rain followed by drought
14) A canyon cut by running water would have different rock layers exposed. The oldest rock layer would most likely
A
be the thickest layer
B
the layer under the other layers
C
the layer rich in fossils
D
intrusive igneous rock
15) How can you describe a valley that was formed by glacial erosion?
A
shallow and thin
B
U-shapped
C
thin and narrow
D
V-shapped
16) Which soil horizon would contain the most humus?
A
A
B
B
C
C
D
R
17) Planting rows of trees or tall shrubs to help prevent soil erosion is called
A
windbreaks
B
terracing
C
conservation plowing
D
no till farming
18) What is a mixture of weathered rock and organic matter called?
A
soil
B
humus
C
litter
D
bedrock
19) Water that enters a crack in rock, freezes, and thaws will most likely cause
A
the rock to go together when it thaws
B
the rock to become stronger due to the ice
C
the rock to become layered pieces
D
the crack to get larger and break the rock
20) The formation of caves can be attributed to
A
chemical weathering
B
mechanical weathering
C
deposition
D
erosion
*select an answer for all questions
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