Tides and Moon Phases

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Across
  1. 3. When the tides don't move that much.
  2. 5. When the tides are higher than normal.
  3. 7. When you can't see the moon.
Down
  1. 1. A sliver of the moon.
  2. 2. When the moon phase is new or full moon and that is a big tide.
  3. 4. You can see the inter moon.
  4. 6. When the tides are lower than normal.