Fact 1: Aflashlight converts chemical energy into light energy.

Fact 2: Ajoule is roughly the energy used by a flashlight turned on for one second.

Given the two facts above, answer the question "What is converted in a flashlight?" with the following options: 
- hydrogen and oxygen
 - adding heat
 - an electron lens
 - hydrogen to water
 - chemicals to light
 - batteries into solar
 - heat into light
 - chlorofluorocarbons


 

     chemicals to light    