Tides

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Across
  1. 2. Changes in sea levels caused by the moon's gravitational pull
  2. 3. Having to do with the ocean and aquatic life
  3. 4. The tides that occur whenever the moon, sun and earth line up
  4. 5. The area on a beach that is sometimes covered by ocean water and sometimes not
  5. 6. The force of an object or mass of matter in space that pulls other things towards it
Down
  1. 1. The tides that occur during the first and third quarter moon phases
  2. 2. Having to do with dry land