spelling crossword

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Across
  1. 2. a spout of boiling water that comes out of the ground
  2. 4. the short word for fax
  3. 6. the adjective of guarding
  4. 7. the theory of the movement of tectonic plates
Down
  1. 1. a dessert
  2. 3. this can power machines
  3. 5. a large, violent whirlpool