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5.14: Plate Tectonics- Challenge 2

  • Page ID
    5392
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    1. ___ is the artificial process by which salt water is converted to fresh water.
    Desalination
    2. Where are the oldest oceanic rocks found?
    Far from mid-ocean ridges
    3. Seafloor spreading occurs at ___ boundaries.
    divergent
    4. When material in the mantle is heated at Earth's core, it rises towards Earth's surface. As it rises, it cools, moves laterally, becomes denser, and sinks, creating a ___ cell.
    convection
    5. ___ within the earth's mantle causes the plates to move.
    Convection
    6. Seafloor spreading pushes older seafloor outward, and new seafloor is created at a ___.
    mid-ocean ridge
    7. Two tectonic plates come together at a plate ___.
    boundary
    8. In which layer of Earth are plate-moving convection currents located?
    Mantle
    9. What are the three types of major plate boundaries?
    Divergent, transform, and convergent plate boundaries
    10. ___ is an example of a transform boundary.
    The San Andreas Fault
    11. Transform plate boundaries divide ___ into segments.
    mid-ocean ridges

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