STEAM Day

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Across
  1. 3. deepest part of the ocean
  2. 5. shallow area of the ocean floor
  3. 6. made up of the continental crust
  4. 8. underwater mountains
Down
  1. 1. sea mounts that have peeked above the surface
  2. 2. made up of the oceanic crust
  3. 4. begins at the edge of the continental shelf and slopes
  4. 7. smooth flat area of the ocean floor
  5. 9. the theme of the crossword puzzle