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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 become part of the soil
B
plants use them for energy
C
they become food for animals
D
they turn into earthworms
2) Strip mining
A
prevents erosion
B
does not disturb soil
C
removes soil from the surface
D
adds soil to 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
there were too many farms in one area
B
Cars on dirt roads created large clouds of dust that settled on everything
C
farming exposed the soil, it dried out and blew away
D
drought and then rain caused the soil to wash away
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
the soil becomes more fertile and less erosion occurs
C
the soil gets more sunshine so erosion cannot occur
D
Increased farming creates better soil with less erosion
5) The property to classify minerals by the color of their powder is
A
density
B
streak
C
hardness
D
luster
6) The property of identifying a mineral by the ability to scratch another mineral is
A
streak
B
luster
C
hardness
D
cleavage
7) The scale used to measure the hardness of a mineral is
A
the Mercalli scale
B
the Richter scale
C
the magnitude intensity scale
D
Mohs scale
8) The property to identity minerals by the way they reflect light is
A
density
B
streak
C
color
D
luster
9) Metamorphic rock can be changed to sedimentary rock by
A
weathering, erosion, compaction, and cementation
B
heat and pressure followed by melting
C
weathering, erosion, cooling, and hardening
D
melting, followed by cooling and crystallization
10) The Great Plains suffered severe drought in the 1800s. This was called
A
The Dust Bowl
B
The Erosion Bowl
C
The Wind Bowl
D
The Drought
11) Planting the same crop year after year decreases the fertility of soil. What can be planted to replenish the soil?
A
cotton
B
legumes/peanuts
C
corn
D
wheat
12) Deforestation/clear cutting, the removing of trees in an area, would be a major cause of
A
weathering
B
erosion
C
pollution
D
deposition
13) The Dust Bowl of the 1930s was a result of poor farming practices and
A
rain followed by drought
B
drought followed by winds
C
rain followed by freezing
D
drought followed by freezing
14) A canyon cut by running water would have different rock layers exposed. The oldest rock layer would most likely
A
intrusive igneous rock
B
the layer rich in fossils
C
be the thickest layer
D
the layer under the other layers
15) How can you describe a valley that was formed by glacial erosion?
A
shallow and thin
B
thin and narrow
C
V-shapped
D
U-shapped
16) Which soil horizon would contain the most humus?
A
R
B
B
C
A
D
C
17) Planting rows of trees or tall shrubs to help prevent soil erosion is called
A
windbreaks
B
terracing
C
no till farming
D
conservation plowing
18) What is a mixture of weathered rock and organic matter called?
A
litter
B
bedrock
C
humus
D
soil
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
mechanical weathering
B
deposition
C
chemical weathering
D
erosion
*select an answer for all questions
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