Sun-Earth-Moon Vocab 25-26

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Across
  1. 3. the orbit of one object around another object.
  2. 5. the predictable rise and fall of the ocean's surface each day.
  3. 7. when Earth's rotation axis is tilted directly toward or away from the Sun.
  4. 9. the imaginary line that divides Earth into the Northern and Southern Hemispheres
Down
  1. 1. the periodic rise and fall of the ocean’s surface caused by the gravitational force between Earth and the Moon, and Earth and the Sun.
  2. 2. the difference in water height between a high tide and a low tide.
  3. 4. when the ocean's surface reaches its highest point.
  4. 6. when the ocean's surface reaches its lowest point.
  5. 8. when Earth's rotation axis is tilted neither toward nor away from the Sun.
  6. 10. the spin of an object around its axis.