asteroids

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Across
  1. 2. in what year did a 300-meter asteroid pass near earth
  2. 4. what are asteroids made out of
  3. 8. where are most of the asteroids in our solar system
  4. 9. what is bigger than France
  5. 10. how many small rocks hit the earth every year
Down
  1. 1. do asteroids crash into planet
  2. 3. how big is Ceres
  3. 5. a object in space which is smaller than a planet and orbits the sun
  4. 6. is earth in danger of asteroid crash
  5. 7. how many asteroids are there in our solar system