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1.
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(1 point) All major
interactions among individual plates occur along their boundaries
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2.
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(1 point) Which layer
of Earth is broken into plates?
a | mantle | c | lithosphere | b | crust | d | asthenosphere |
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3.
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(1 point) Most of the
rock in the asthenosphere:
a | is liquid | c | is
solid but flows | b | is solid and
rigid | d | there is no rock in the asthenosphere |
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4.
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(1 point) What tectonic
plate are we on?
a | The North American Plate | d | The Juan de Fuca Plate | b | The American
Plate | e | The Pasadena Plate | c | The Pacific
Plate |
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5.
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(1 point) Pangaea is
a/an:
a | supercontinent | c | important class of fossils | b | ancient ocean | d | layer of Earth |
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For questions 7 - 10, match the parts of the
Earth with the correct definition. a | Continental crust | c | Mantle | b | Oceanic
crust | d | Core |
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6.
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(1 point) A solid,
rocky layer that is 82% of Earth's volume; Upper portion has the composition of the
ultramafic rock peridotite
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7.
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(1 point) Has an
average rock density about 2.7 g/cm3; Composition comparable to the felsic igneous
rock granodiorite
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8.
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(1 point) Larger than
the planet Mars; comprised mostly of iron with some nickel and has an average density is nearly
11 g/cm3
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9.
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(1 point) Has a
density about 3.0 g/cm3; Composed mainly of the igneous rock basalt
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10.
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(1 point) Which of the
following is NOT true regarding hot spots?
a | Most mantle plumes are long-lived
structures | b | Are not stationary - they move with the lithospheric
plates | c | Caused by rising plumes of mantle
material | d | Volcanoes can form over them (Hawaiian Island
chain) |
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