science crosswords

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Across
  1. 5. describing the frequency of a sound
  2. 6. study of space
  3. 7. it comes out at night
  4. 11. when the moon is illuminated in a crescent shape
  5. 13. 7 days after the springtide
  6. 15. fully shaded region of a shadow
  7. 16. when the tide is farther out
  8. 17. the
  9. 18. when the moon is almost fully illuinated
  10. 19. turning on the axis
  11. 21. space station
  12. 22. Neptune, Uranus ,Jupiter all are these types of planets
  13. 23. the moon controls this in the ocean
  14. 24. when astronomers look at the different objects in space
  15. 25. consistency measured by volume
  16. 29. solid piece of debris in space
  17. 30. when the moon passes in front of the sun
  18. 31. natural body outside the earths atmosphere
Down
  1. 1. another type of solid debris in space
  2. 2. when the tide is farther up on the shoreline
  3. 3. moving in a circular motion around something
  4. 4. a tide after the new moon or the full moon
  5. 8. the planets ____ around the sun
  6. 9. partially shaded outer region of the shadow
  7. 10. theory that the earth is in the middle and everything orbits it
  8. 12. theory that the sun is in the middle and everything orbits the sun
  9. 14. radiowaves and varying density
  10. 20. the water in the ocean crashing on shore is a what?
  11. 26. celestial body orbiting the sun
  12. 27. when the moon falls into the earths shadow
  13. 28. when the earth tilts