Unit 4 (Earth-Sun-Moon)

1234567891011121314151617181920212223242526272829
Across
  1. 3. a division of the year that is determined by Earth's tilt relative to the sun and Earth's position in its orbit around the sun
  2. 6. the difference in water level between a high tide and a low tide
  3. 7. term used to describe Earth's 24-hour rotationary period
  4. 9. term used to describe a moon phase that is getting larger (i.e., more lit)
  5. 11. the longest or shortest night of the year; occurs on approximately June 21 and December 21
  6. 12. day with an equal twelve hours each of light and darkness; occurs on approximately March 21 and September 21
  7. 16. shape of the moon where we see the majority of it lit
  8. 17. the very darkest part of the moon's shadow
  9. 19. a force of attraction between objects that is due to their masses; what keeps the Sun, Earth, and Moon connected to each other
  10. 20. the path of an object as it revolves around another object in space
  11. 22. The movement of an object around another object
  12. 23. the state of the tide when at its highest level.
  13. 24. term used to describe a moon phase that is getting smaller (i.e., less lit)
  14. 28. less-variable tide that occurs when the Sun and Moon pull at right angles
  15. 29. occurs when the Earth casts a shadow on the Moon
Down
  1. 1. moon phase that occurs when the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.
  2. 2. the state of the tide when at its lowest level.
  3. 4. occurs when the Moon casts a shadow on the Earth
  4. 5. moon phase in which the moon is getting bigger and the right half of the Moon can be seen
  5. 8. an imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
  6. 10. cyclical rise and fall of water caused by the pull of the Sun and Moon
  7. 13. the spinning motion of an object on its axis
  8. 14. highly-variable tide that occurs when the Sun and Moon pull in the same direction
  9. 15. moon phase in which the moon is getting smaller and the left half of the Moon can be seen
  10. 18. cyclical variation in the appearance of the Moon based on its location in reference to the Earth and Sun
  11. 21. shape of the moon where we see just a little of it lit
  12. 25. moon phase when the entire side facing Earth is illuminated, and the dark side faces away from Earth
  13. 26. the lighter part of a shadow where light is partially blocked
  14. 27. term used to describe Earth's 365-day revolutionary period