Tides

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Across
  1. 1. a tide just after a new or full moon, when there is the greatest difference between high and low water
  2. 5. the time when the ocean reaches its highest level
  3. 8. the difference in height between the high tide and the low tide
  4. 9. the time when the ocean reaches its lowest level.
Down
  1. 2. when the moon is directly between Earth and the sun, with its shadowed side pointing towards us
  2. 3. when tidal force causes the oceans to stick out from the Earth
  3. 4. a tide just after the first or third quarters of the Moon when there is least difference between high and low tides
  4. 6. waves that move through the ocean in response to the forces exerted by the moon and sun
  5. 7. one of eight lunar phases, in which the entire round illuminated face of the Moon is visible from Earth