Science

6. A small celestial body or particle that enters the Earth's atmosphere.
7. An object or material that produces a magnetic field.
8. A tiny living organism, such as bacteria or viruses, that can only be seen with a microscope.
10. An instrument used to observe distant objects in space.
12. The measure of how much mass is contained in a given volume.
13. The state of the atmosphere at a specific time and place.
14. The force that attracts two objects toward each other.
15. A massive system of stars, gas, and dust bound together by gravity.

1. A complete path that electricity flows through.
2. Relating to substances and their interactions.
3. A substance that cannot be broken down into simpler substances by chemical means.
4. A celestial object composed of ice and dust that orbits the sun.
5. A large celestial body that orbits a star.
9. The path that one object takes around another in space.
11. The ability to do work or produce change.