Across
- 4. Friction forces that air particles apply against a moving object.
- 6. Rocky bodies orbiting the sun, mostly between Mars and Jupiter.
- 8. The force that attracts objects to the center of Earth or to the center of any other physical object with mass such as the Sun.
- 9. Small ice object orbiting the sun that may have a long "tail" or halo when closer to the sun.
- 11. A small rocky body that has entered Earth's atmosphere.
Down
- 1. The force caused by one surface or object rubbing against another as they move past each other.
- 2. A push or a pull on an object.
- 3. The lack of any air particles in a volume.
- 5. A property of matter that causes objects to continue in a state of motion or rest unless changed by a force.
- 7. The size and distance of one object relative to another.
- 10. The motion pathway of a solar system object through space in a curved shape around another object.