Fact 1: Some light bulbs convert electricity into light and heat energy.

Fact 2: Electricity requires the movement of electrical charges.

Given the two facts above, answer the question "Which of the following can process the movement of charges into light and heat energy?" with the following options: 
- Unplugged refrigerators
 - Firecrackers
 - energy
 - our nearest star
 - Melted candles
 - kinetic energy
 - Light bulbs
 - Burning stoves


 

       Light bulbs  