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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Which is the most
outer layer of the Earth? a. | mantle | c. | core | b. | crust | d. | clouds | | | | |
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2.
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Which is the
coldest layer? a. | inner core | c. | core | b. | crust | d. | mantle | | | | |
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3.
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Which layer's
temperature is 3,000 degrees Celsius?
a. | mantle | c. | core | b. | inner core | d. | lower
mantle | | | | |
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4.
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What are seismic
waves? a. | vibration emitted by
earthquakes | c. | form of communicationnone of
these | b. | noise caused by excessive
drilling | d. | none of these | | | | |
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5.
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Which is the layer
above (towards the surface) the outer core? a. | mantle | c. | crust | b. | core | d. | inner
core | | | | |
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