Energy

1. Light energy

2. Potential energy

3. sound energy

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

5. Electrical fan

6. Guillotine

7. Kinetic energy

8. Heat energy

9. Electrical energy

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.