Heat energy from the wax is converted into chemical and light energy. Heat energy from the air is converted into mechanical and light energy. Chemical energy from the wax is converted into light and heat energy. Chemical energy from the air is converted into mechanical and light energy.
I gave my students this multiple choice question: Which statement best describes the energy transformations that occur when a candle burns?

Only one answer is correct among these 4 choices:
- Heat energy from the wax is converted into chemical and light energy.
- Heat energy from the air is converted into mechanical and light energy.
- Chemical energy from the wax is converted into light and heat energy.
- Chemical energy from the air is converted into mechanical and light energy.

Could you tell me which one is correct?

Chemical energy from the wax is converted into light and heat energy.