Topic 3; Energy

4. The total kinetic and potential energy of all the particles of an object.
7. A fixed point on which something turns.
10. A substance through which a force acts.
14. Potential energy that depends on the height of an object.
16. The energy an object has because of its position; also the internal stored energy of an object.
18. The energy of electric charges.
19. The rate at which one form of energy is transformed into another.

1. The state in which one object's distance from another is changing.
2. A push or pull exerted on an object.
3. Kinetic or potential energy associated with the motion or position of an object.
5. Indicates a good quality or power.
6. Force exerted on an object that causes it to move.
8. The energy of stretched or compressed objects.
9. The potential energy stored in the nucleus of an atom.
11. The greatest possible amount.
12. The energy transferred through space by electromagnetic waves.
13. A form of potential energy that is stored in chemical bonds between atoms.
15. energy that an object has due to its motion.
17. The ability to do work or cause change.