Chemical energy changes to light energy. Chemical energy changes to heat energy. Electrical energy changes to light energy. Electrical energy changes to chemical energy.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: What is an energy change that takes place in a light bulb?
Possibilities:
- Chemical energy changes to light energy.
- Chemical energy changes to heat energy.
- Electrical energy changes to light energy.
- Electrical energy changes to chemical energy.

Electrical energy changes to light energy.