light energy changed to heat energy heat energy changed to chemical energy chemical energy changed to heat energy chemical energy changed to light energy
A student mixes vinegar and baking soda to use in a volcano model. The mixture causes the volcano model to feel cool when it is touched. What energy transformation has taken place?

Options:
- light energy changed to heat energy
- heat energy changed to chemical energy
- chemical energy changed to heat energy
- chemical energy changed to light energy

heat energy changed to chemical energy