Across
- 5. The movement of an object around another object
- 6. A meteoroid that passes through the atmosphere and hits Earth's surface.
- 8. A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
- 11. A force that pulls objects toward each other
- 13. Attraction the force of attraction between all masses in the universe
- 15. orbit An orbit in the shape of an oval instead of a circle
- 17. planets Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants.
Down
- 1. the makeup of something
- 2. The spinning motion of a planet on its axis
- 3. planets the planets closest to the Sun: Mercury, Venus, Earth, and Mars
- 4. balls of ice, rock, and dust in space with a tail
- 6. a relatively small, rocky body that travels through space
- 7. The path of an object as it revolves around another object in space
- 9. An object that revolves around another object in space
- 10. a natural object that revolves around a planet
- 12. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
- 14. An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
- 16. rocky metallic objects that orbit the sun but are too small to be considered planets