Earth Science 2: Question Preview (ID: 6073)

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Which landscape feature was most likely formed by glacial activity?
a) a V-shaped valley
b) a flat floodplain
c) an eroded plateau
d) a U-shaped valley

Which evidence suggests that a landscape surface has been eroded by glaciers
a) large coral reefs
b) piles of sand grains
c) layers of rounded pebbles
d) parallel grooves in polished bedrock

Sand bars form as a direct result of
a) deposition
b) weathering
c) erosion
d) rivers

When liquid water freezes
a) it does not change in volume
b) it expands in volume
c) it decreases in volume
d) it turns to gas

What is the term for the process by which rocks are broken down by wind and water?
a) deposition
b) erosion
c) weathering
d) constructive force

Soil is composed of
a) organic matter
b) fragments of rock
c) clay and minerals
d) all of these

Water can break down rocks because
a) water carries strong acids that erode rocks
b) water takes up less space when it freezes and rocks collapse inward
c) water expands when it freezes in cracks in rocks
d) Water can stay in the same place.

Erosion by water occurs in
a) the summer
b) the desert
c) rivers, ocean waves, and glaciers
d) the winter

When a rock falls from a cliff face, the agent of erosion is usually
a) wind
b) man-made
c) gravity
d) water

Apart from water and gravity, other agents of erosion are
a) trees and wind
b) wind, animals and machines
c) humans
d) no other agents of erosion

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