Tides

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Across
  1. 3. a tide that has the same name as one of the seasons
  2. 6. it covers most of the earth
  3. 7. they happen twice a day at the beach
Down
  1. 1. it has phases
  2. 2. we live on this planet
  3. 3. lights the earth
  4. 4. it keeps us on the ground
  5. 5. a type of tide