Earth's Place in the Universe

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Across
  1. 3. the spinning of Earth on its axis
  2. 7. Having great importance
  3. 8. the movement of one object around another
  4. 11. a sun-centered model
  5. 14. a giant ball of superheated gas composed of hydrogen and helium
  6. 15. These are caused by the gravitational pull of the moon and occur every 12.5 hours
  7. 17. a cold mixture of dust and ice that develops a long trail of light as it approaches the sun
  8. 19. During an eclipse, this is the very darkest part of the shadow where the light from the sun is completely blocked
  9. 20. the imaginary line that goes from the North Pole through the center of Earth to the South Pole
  10. 21. oval shape
  11. 23. a pattern or group of stars that people imagine represents a figure, animal, or object
  12. 24. This is a tide with the greatest difference between consecutive low and high tides
  13. 25. During an eclipse, this is the area of the shadow where the sun is only partially blocked
  14. 26. sun-Earth-moon
Down
  1. 1. This is a tide with the least difference between consecutive low and high tides.
  2. 2. This will change when there is less of a gravity pull on an object
  3. 4. These are the different shapes of the moon
  4. 5. an Earth centered model
  5. 6. an object that orbits the sun
  6. 9. This is the tendency of an object to resist a change in motion
  7. 10. the amount of matter in an object. This does not change from one location to another
  8. 12. Earth's path
  9. 13. A force that attracts all objects toward each other
  10. 16. When an object in space comes between the sun and a third object, it causes a shadow on the third object
  11. 18. a body that orbits a planet
  12. 22. Earth-moon-sun