Tides

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Across
  1. 4. tidal pattern with two nearly equal high tides and two nearly equal low tides per lunar day
  2. 6. celestial body that generates the gravity that causes tides
  3. 7. tides that occur during the first and third quarter phases of the moon
  4. 8. The difference in height between successive high and low tides
  5. 9. Tidal pattern with two unequal high tides and two unequal low tides
Down
  1. 1. When water levels are at their highest
  2. 2. higher than normal high tides and lower than normal low tides, happen during new and full moon
  3. 3. the cyclic rise and fall of sea levels
  4. 4. a celestial body that adds its effect to the effect of the moon causing tides
  5. 5. When water levels are at their lowest
  6. 10. tidal pattern with one high and one low tide per lunar day