17b
UNIT A • CRCT PREP TRANSPARENCY
6. Scientists measure seismic waves to study the effects of
A. weathering B.
and erosion.
earthquakes. C.
floods.
D.
soil erosion.
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7. Where will a sinkhole most likely form?
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A.
B.
C.
D.
along a steep hillside
on land over a cave
on the top of a volcano
near a fault
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8. What is the main source of beach sand along Georgia’s
Atlantic coast?
A.
B.
C.
D.
GEORGIA
ash from volcanoes
rocks from the ocean floor
salts in the ocean water
silt from Georgia’s rivers
ATLANTIC
OCEAN
N
W
E
S
km 0
mi 0
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40
40
9. Beach nourishment is the dumping of sand onto an eroded beach.
Which word best describes its effect?
A. permanent B.
temporary
C.
useless
D.
ideal
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Teaching Transparencies
10. Which of these practices most likely would increase the rate of soil erosion on a farm?
A.
B.
C.
D.
5_973057_17b.indd 2
contour plowing
planting cover crops
planting crops in long, straight rows
terrace farming
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