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109 Cards in this Set
- Front
- Back
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.
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The youngest rocks on the ocean floor are located ____.
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a.
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near continents
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b.
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at mid-ocean ridges
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____
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2.
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a.
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lithosphere
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b.
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asthenosphere
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____
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3.
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a.
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century
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b.
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decade
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____
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4.
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a.
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crust
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b.
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asthenosphere
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____
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5.
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a.
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abyssal plains
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b.
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ocean margins
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____
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6.
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a.
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Alps
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b.
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Rockies
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____
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7.
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a.
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fossils
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b.
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rocks
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____
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8.
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a.
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continental drift
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b.
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continental slope
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____
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9.
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a.
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convergent
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b.
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stable
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____
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10.
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a.
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magnetic field
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b.
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core
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____
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11.
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a.
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Glomar
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b.
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Glossopteris
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____
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12.
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a.
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high-altitude photos of existing continents
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b.
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samples of plant life from mid-ocean ridges
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c.
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samples of older rock found far from mid-ocean ridges
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d.
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direct measurements of the movement of continents
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____
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13.
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a.
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subduction zones
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b.
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transform boundaries
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____
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14.
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a.
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divergent boundary
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b.
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convergent boundary
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____
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15.
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a.
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new material is being added to the asthenosphere
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b.
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earthquakes break apart the ocean floor
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c.
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sediments accumulate at the area of spreading
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d.
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molten material beneath Earth's crust rises to the surface
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____
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16.
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a.
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plastic
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b.
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alternating
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____
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17.
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a.
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vertically
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b.
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slowly
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____
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18.
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a.
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200 million
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b.
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300 million
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____
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19.
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a.
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Mesosaurus
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b.
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Glossopteris
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____
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20.
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a.
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river systems
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b.
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rock structures
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____
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21.
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a.
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reversed itself in the past
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b.
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weakened
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____
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22.
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a.
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seismometer
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b.
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geologist's compass
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____
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23.
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a.
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Vertical
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b.
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Convection
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____
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24.
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a.
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density
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b.
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magnetism
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____
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25.
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a.
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stop inside
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b.
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cool
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____
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26.
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a.
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mid-ocean ridge
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b.
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divergent boundary
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____
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27.
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a.
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convergent boundary
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b.
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divergent boundary
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____
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28.
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a.
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transform boundaries
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b.
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divergent boundaries
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c.
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the center of continents
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d.
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convergent ocean-continental boundaries
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____
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29.
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a.
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Volcanoes
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b.
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Strike-slip faults
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____
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30.
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a.
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Appalachian Mountains
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b.
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Himalaya
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____
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31.
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a.
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hot spot
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b.
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subduction zone
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____
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32.
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a.
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transform boundary
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b.
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divergent boundary
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c.
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convergent oceanic-continental plate boundary
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d.
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convergent oceanic-oceanic plate boundary
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____
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33.
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a.
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convergent oceanic-continental plate boundary
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b.
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convergent oceanic-oceanic plate boundary
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c.
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convergent continental-continental plate boundary
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d.
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transform boundary
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