8.9 vocab review

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Across
  1. 4. When heat rises and cool sinks
  2. 6. Theorized continental drift (last name)
  3. 7. landform created by continental to continental Convergence
  4. 9. Type of plate that is less dense and under land
Down
  1. 1. When one denser plate slides under a less dense plate
  2. 2. When plates pull apart
  3. 3. When plates push against each other
  4. 5. Discovered sea-floor spreading (last name)
  5. 8. When plates slide against each other