Sun, Earth, and Moon System

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Across
  1. 3. the outer, lighter part of a shadow
  2. 5. the cycle of the phases of the moon that takes approximately a month
  3. 8. occurs when the Moon creates a shadow on Earth and blocks out the Sun
  4. 10. the phase of the Moon between New Moon and Quarter Moons
  5. 11. day when Earth's axis is pointed most toward or away from the Sun
  6. 12. less of the Moon is lit each night; it appears to shrink
  7. 13. day when Earth's axis is neither pointed toward nor away from the Sun
  8. 15. the tide during Quarter phases of the Moon in which high tides are not too high and low tides are not too low
  9. 16. the central, darkest part of a shadow
Down
  1. 1. occurs when the Moon moves into the shadow of the Earth
  2. 2. the portion of the Moon that appears sunlit from Earth
  3. 4. the phase of the Moon between Quarter Moons and Full Moons
  4. 6. the tide during New Moon and Full Moon phases in which high tides are very high and low tides are very low
  5. 7. the motion of one object around another
  6. 9. the spinning motion of an object
  7. 12. more of the Moon is lit each night; it appears to grow
  8. 14. the path that an object follows as it moves around another
  9. 17. the imaginary line that an object spins around