Energy

4. A form of energy that travels through space.
6. The form of energy associated with the motion, position, or shape of an object.
7. The rate at which work is done.
9. A measure of the amount of matter in an object
12. The energy of electric charges.
13. Energy that results from the position or shape of an object.
16. A change from one form of energy to another.
17. Potential energy related to an object's height
18. Stored in the nucleus of an atom and released during a nuclear reaction.

1. Potential energy stored in chemical bonds.
2. The energy an object has due to its motion.
3. A push or pull.
5. Energy cannot be created or destroyed.
8. The total kinetic and potential energy of the particles of an object.
10. The speed of an object is the distance the object travels per unit of time.
11. Force of attraction between any two masses.
14. The ability to do work or cause change.
15. The potential energy associated with objects that can be compressed or stretched.