Tectonic Vocabulary

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Across
  1. 3. Area where Earth's crust is thinnest.
  2. 6. Caused by brief rapid plate movement.
  3. 7. Activity caused by convection.
  4. 9. Between the crust and the core.
Down
  1. 1. The center of the Earth.
  2. 2. A type of current.
  3. 4. Plate boundaries form this.
  4. 5. Pertaining to or based on geology.
  5. 8. Slow moving sections of crust.