Energy

1. Kinetic energy

2. Light energy

3. Potential energy

4. sound energy

5. Heat energy

6. Electrical energy

7. Television- Light, sound and heat are produced when it is switched on.

8. Electrical fan

9. Guillotine

10. Watch

11. batteries

12. fuel- petrol, wood and natural gas - In vehicles, the chemical potential energy released by burning of petrol in engines is converted into kinetic energy, heat and sound.