Plate Tectonic Assignment

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Across
  1. 5. States that the Earth's crust and rigid upper mantle are broken into plates.
  2. 9. Two tectonic plates are moving apart
  3. 10. means "all the earth"
  4. 11. Where one plate goes under another
  5. 12. Is the study of earthquakes and seismic waves that move through and around the earth.
  6. 13. Developed hypothesis of continental drift.
Down
  1. 1. Forms when one oceanic plate descends below another plate.
  2. 2. Two tectonic plates slide horizontally past each other
  3. 3. One big ocean
  4. 4. Where plate tectonics interact,there are 3 types
  5. 6. Result in volcanoes erupting along the edge of the continental plate
  6. 7. NO subduction, forms mountain ranges
  7. 8. Two tectonic plates are moving toward each other