tectonic plates crossword

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Across
  1. 3. transform boundaries make this
  2. 5. kind of boundary where plates move together
  3. 7. convergent boundaries make this with the same density
  4. 8. ocean ridge divergent boundaries also make this
Down
  1. 1. convergent boundaries make this different density
  2. 2. type of boundary that moves apart
  3. 4. type of boundary where plates slide past each other
  4. 6. valley divergent boundaires make this