The Earth, Moon, and Sun

Edit Answers
1234567891011121314151617181920212223242526272829303132333435
Across
  1. 3. the different shapes of the moon that people can see from Earth
  2. 4. an object that revolves around another object in space
  3. 7. the study of all objects in space
  4. 8. a device that expels gas in one direction to move the opposite direction
  5. 11. states that objects at rest will stay at rest and objects in motion will stay in motion
  6. 14. speed a rocked must achieve to make an orbit around Earth
  7. 15. chunks of rock or dust from space
  8. 18. speed in a given direction
  9. 20. the speed a rocket must achieve to go beyond a planets gravitational pull
  10. 22. a spacecraft that carries instruments to collect data, it doesn't carry people
  11. 24. a spacecraft that can carry a crew into space
  12. 25. the eclipses that occurs when the Earth is between the moon and the sun
  13. 27. the very darkest part of the moons shadow
  14. 28. the movement of one object around another
  15. 29. large, round pits in the moon
  16. 31. an instrument used to study far away things such as the moon, stars, and other planets
  17. 33. the partial or total blocking of one object in space by another
  18. 34. the rise and fall of Earths oceans
  19. 35. a push or pull
Down
  1. 1. the imaginary line that passes through Earth; Earth tilts on this
  2. 2. the force that propels a rocket forward
  3. 4. the eclipses that occurs when the moon is between the Earth and the sun
  4. 5. the curved path of spacecraft around a star, planet, or moon; the Earth does this to the sun.
  5. 6. this attracts all objects toward each other
  6. 9. the spinning of Earth on its axis
  7. 10. states that every object in the universe attracts every other object
  8. 12. an artificial satellite that people can live and work on for long periods of time
  9. 13. a tide with the biggest difference between high and low tides
  10. 15. the amount of matter in an object
  11. 16. the moons dark, flat areas
  12. 17. small robots that spaceprobes carry that walk on the surface
  13. 19. the tendency of an object to resist a change in motion
  14. 21. the force of gravity on an object
  15. 23. the largest part of the moons shadow
  16. 26. the days when neither hemisphere is tilted toward or away from the sun
  17. 30. a tide with the lowest difference between the high and low tides
  18. 32. the days when the sun is farthest north or south from the equator