Ocean Crossword

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Burrowing marine mollusk living on sand or mud (4)
  2. 5. The land along the edge of a body of water (5)
  3. 6. A porous mass of interlacing fibers that forms the internal skeleton of various marine animals (6)
  4. 9. The aggregate of small plant and animal organisms that float or drift in great numbers in fresh (8)
  5. 11. The periodic rise and fall of the sea level under the gravitational pull of the moon (4)
  6. 12. A nonmetallic element belonging to the halogens (6)
  7. 13. Large brown seaweeds having fluted leathery fronds (4)

Down

  1. 1. A mass of small bubbles formed in or on a liquid (4)
  2. 2. The shore of a sea or ocean (5)
  3. 3. Huge body of salt water (5)
  4. 4. A flow of electricity through a conductor (7)
  5. 6. A division of an ocean or a large body of salt water partially enclosed by land (3)
  6. 7. A warm ocean current that flows along the equator from the date line and south off the coast (6)
  7. 8. A succession of notes forming a distinctive sequence (4)
  8. 10. The periodic rise and fall of the sea level under the gravitational pull of the moon (plural) (5)