Solar System Crossword Puzzle

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Across
  1. 2. What caused the Solar System to form
  2. 3. Type of planets in our solar system that are mostly gas
  3. 6. First dwarf planet to be discovered
  4. 8. Force that holds the solar system together
  5. 9. Meteoroids that enter Earth's atmosphere are called_________
  6. 11. Dwarf planet located past pluto
  7. 14. Type of planet in our solar system that is solid
  8. 17. Large chunks of ice, gas and dust that orbit the sun
  9. 18. The amount of comets in the oort cloud
  10. 19. Asteroids are made of __________ ___ ________
Down
  1. 1. Number of planets in our solar system
  2. 4. Jupiter's moon that is larger than Mercury
  3. 5. amount of planets we can see with our unaided eyes
  4. 7. Confirmed number of moons that Jupiter has
  5. 9. When a meteor crashes into Earth it is called__________
  6. 10. Shows the boundary of our solar system
  7. 12. Most asteroids are _______________ shaped
  8. 13. third planet from the sun in our solar system
  9. 15. Makes 99.8% of the mass our our solar system
  10. 16. a natural satellite that orbits a planet