Earth's Interior and Plate Tectonics

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Across
  1. 4. The process by which one lithospheric plate moves beneath another as a result of tectonic forces
  2. 5. tectonics The theory that explains how large pieces of the lithosphere, called plates, move and change shape.
  3. 9. The point on earth's starting point, or focus
  4. 10. wave A seismic wave that travels along the surface of a medium and has a stronger effect near the surface of the medium than it has in the interior.
Down
  1. 1. The thin and solid outermost layer of Earth above the mantle.
  2. 2. An opening at the surface of Earth through which volcanic material passes
  3. 3. The solid outer layer of earth that consists of the crust and the rigid upper partof the mantle.
  4. 6. The layer of rock between Eart's crust and core.
  5. 7. The location within Earth along a fault at which the first motion of an earthquake occurs.
  6. 8. scale A scale that expresses the magnitude of an earthquake.
  7. 11. A break in a body of rock along which one block slides relative to another
  8. 12. The center part of Earth below the mantle