1. Forms of Energy

2. Energy What is needed to do or cause change

3. Mechanical Energy Energy produced by a machine or moving part

4. Light Energy A form of energy that can travel through space and be seen by the human eye

5. Sound Energy Energy produced from a vibration that you can hear

6. Electrical Energy A flow of electrical charge through a conductor

7. Thermal Energy Energy that causes a transfer of heat between materials

8. Light

9. Reflection Energy waves bouncing off the surface of an object (Mirrors or echoes return energy back to the source.)

10. Refraction Energy waves that bend (change direction and speed) as they pass from one type of object to another

11. Lens A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays

12. Circuits

13. Electric Circuit The pathway through which electrical current flows

14. Conductor Material that allows electric current to flow through easily

15. Insulator Material that stops current from flowing

16. Flow To move or travel smoothly in a certain direction

17. Electric Current The flow of electricity around a circuit