Across
- 5. going directly from solid to gas
- 6. the only planet where humans live
- 7. a large rock in space can be found between Mars and Jupiter
- 8. the force that pulls you down
- 10. a small, pebble sized rock
- 11. the hole in the ground made when an asteroid hits
- 12. a meteroid when it enters the atmosphere
- 13. made of rock and ice
- 14. the journey an object takes to go around another object in space. Example: the Earth's _____ takes 365 days or a year.
Down
- 1. the largest planet in the solar system
- 2. (two words)the planets and the sun are all in the _____
- 3. a meteor when it hits the ground
- 4. made extinct 65 million years ago
- 9. (two words)the place between Jupiter and Mars where lots of asteroids orbit the sun