Earth, Moon and Sun Movements

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Across
  1. 3. the widest part of the Earth
  2. 7. the day with equal amounts of day and night
  3. 8. the name of the Earth's only natural satellite
  4. 10. the largest, most massive object in the Solar System
  5. 14. the Arctic and Antarctic ______ are the parts of the Earth that experience total day in summer, and total night in winter
  6. 16. the tilt of the Earth's axis is ______.five degrees
  7. 18. the changing shape of the Moon as seen from the Earth caused by the moving shadow of the Moon as it orbits the Earth
  8. 19. the imaginary line that runs through a planet, and the point which the planet rotates around
Down
  1. 1. the name given to one orbit of the Moon around the Earth
  2. 2. the name given to one orbit of the Earth around the Sun
  3. 4. one rotation of the Earth around its axis
  4. 5. the name of the section of the Earth above and below the equator
  5. 6. the longest/shortest days of the year
  6. 9. one complete revolution of the Earth around the Sun
  7. 11. the moon orbits the _____
  8. 12. the shadow of a planet or satellite as it passes in front of the Sun
  9. 13. the points of the Earth that the axis emerges at on the surface
  10. 15. the Sun is a _______
  11. 17. the name give to one rotation of the Earth around its axis