Earth Moon Sun System

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Across
  1. 4. the attractive force between objects; the force that moves objects downhill
  2. 6. one of the different apparent shapes of the moon as seen from Earth
  3. 12. the tide with the greatest difference between consecutive low and high tides
  4. 13. either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
  5. 16. the path of an object as it revolves around another object in space
  6. 17. a chunk of rock or dust in space, generally smaller than an asteroid
  7. 19. a pattern or grouping of starts that people imagine to represent a figure or object
  8. 20. the darkest part of a shadow
  9. 21. term describing a model of the universe in which Earth is at the center of the revolving planets and stars
  10. 25. a group of parts that work together as a whole
  11. 26. the periodic rise and fall of the level of water in the ocean
Down
  1. 1. an object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit
  2. 2. an imaginary line that passes through a planet’s center and its north and south poles, about which the planet rotates
  3. 3. a ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion
  4. 4. the attractive force between objects; the force that moves objects downhill
  5. 5. either of the two days of the year on which neither hemisphere is tilted toward or away from the sun
  6. 7. an oval shape-the shape of the planets’ orbits
  7. 8. the part of a shadow surrounding the darkest part
  8. 9. the spinning motion of a planet on its axis
  9. 10. term describing a model of the solar system in which Earth and the other planets revolve around the sun
  10. 11. the tide with the least difference between consecutive low and high tides
  11. 14. any object that orbits around another object in space (i.e. the moon)
  12. 15. the movement of an object around another object
  13. 18. the tendency of an object to resist a change in motion
  14. 22. the partial or total blocking of one object in space by another
  15. 23. a streak of light in the sky produced by the burning of a meteoroid in Earth’s atmosphere
  16. 24. a loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit