Solar, Lunar, and Earthly Behavior

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Across
  1. 2. The different shapes of the Moon we see from Earth.
  2. 7. The curved path an object follows as it moves around another object in space.
  3. 9. The phase when the entire lit side of the Moon is visible.
  4. 10. When Earth blocks sunlight from reaching the Moon.
  5. 13. The regular rise and fall of ocean water caused mostly by the Moon’s gravity.
  6. 15. The Moon phase when it cannot be seen from Earth.
  7. 16. The day with the longest or shortest amount of daylight in a year.
Down
  1. 1. Half of Earth, usually divided into Northern and Southern halves.
  2. 3. When one object in space moves into the shadow of another.
  3. 4. The 23.5 degree lean of Earth’s axis that causes the seasons.
  4. 5. The movement of one object around another; Earth takes about 365 days to go around the Sun.
  5. 6. The force that pulls objects toward each other.
  6. 8. When the Moon blocks sunlight from reaching part of Earth.
  7. 11. An imaginary line through the North and South Poles that Earth spins around.
  8. 12. The time of year when day and night are about equal in length.
  9. 14. The spinning of Earth on its axis that causes day and night.