Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Rocks
changing from one form into another in a never-ending series of processes is called a. | rock
cycle. | b. | metamorphosis. | c. | magma
cycle. | d. | mantle-crust
interaction. | | |
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2.
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Decayed plant or animal material in soil is called a. | manure. | b. | compost. | c. | fertilizer. | d. | humus. | | |
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3.
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Any
remains or imprint of living things of the past describes a(n) a. | sedimentary rock. | b. | ore. | c. | fossil. | d. | rock index. | | |
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4.
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A rock
is made up of one or more a. | metals. | b. | liquids. | c. | minerals. | d. | gems. | | |
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5.
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Adding
any harmful substances to Earth’s land, water, or air is a. | pollution. | b. | contamination. | c. | littering. | d. | toxic waste. | | |
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6.
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A rock formed from another kind of rock under heat and pressure is
a a. | igneous rock. | b. | sedimentary rock. | c. | metamorphic rock. | d. | rock cycle. | | |
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7.
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A rock made of bits of matter joined together is a a. | igneous rock. | b. | sedimentary rock. | c. | metamorphic rock. | d. | compressed rock. | | |
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8.
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A rock formed when melted rock material cools and hardens is
a a. | igneous
rock. | b. | sedimentary
rock. | c. | metamorphic
rock. | d. | lava
rock. | | |
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9.
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Soil
comes from rocks that have a. | fractured. | b. | weathered. | c. | eroded. | d. | been
compressed. | | |
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