Plate Tectonics Quizlet List

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Across
  1. 3. the idea that Earth's lithosphere is broken into several large pieces of land that move around on Earth's convecting asthenosphere.
  2. 5. the amount of force exerted per unit area of a surface.
  3. 6. theory that new seafloor is formed at a divergent plate boundary, when magma is forced upward toward the surface at a mid-ocean ridge.
  4. 7. enormous moving pieces of the Earths's lithosphere.
  5. 8. occur when plates slide and grind past one another along a fracture in the lithosphere.
  6. 10. an undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
Down
  1. 1. a boundary where one plate usually made dense, oceanic crust- collides and sinks under less dense crust.
  2. 2. a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver.
  3. 4. an area crated when cooler, denser fluid material sinks and the warmer, less dense fluid material rises to the surface
  4. 9. molten rock beneath the Earth's surface.