Solar System Puzzle

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Across
  1. 6. small pieces of rock that enter Earth's Atmosphere.
  2. 8. Earth's surface, both liquid and frozen water.
  3. 14. an object in orbit
  4. 16. Hypothesis - explains why objects that form from a disk will lie in the same plane, have almost circular orbits, and orbit in the same directions.
  5. 18. small solar system bodies.
  6. 19. composed of material left over from the formation of the solar system.
Down
  1. 1. meteorites that strike Earth and burn up in atmosphere.
  2. 2. planets- relatively small planets with solid and rocky surfaces
  3. 3. If it doesn't completely burn up in the atmosphere and hits the grounds its a ______.
  4. 4. Eclipse- during new moon, it may Cast a shadow onto Earth. moon blocks out the sun.
  5. 5. Giant-- large planets.
  6. 7. Planet- celestial body that orbits the sun, round b/c of its own gravity.
  7. 9. when Earth, Sun, and the Moon are in a straight line.
  8. 10. planetlike body that orbits a star other than the sun.
  9. 11. celestial body that orbits the sun
  10. 12. large cloud of dust and gas in space.
  11. 13. Eclipse- during full moon, it may Pass into the shadow of Earth,
  12. 15. moon that appears to have different shapes throughout the month
  13. 17. Bang Theory- theory that all matter and energy in the universe was compressed into an extremely small volume and began expanding in a