Aflashlight requires a source of electricity to produce light, and electricity flows when a battery is connected to an object like a watch, toy, or flashlight. Given these facts, how do flashlights produce light among the following options:
- energy
 - direct energy
 - By being plugged into the wall
 - Using magnets
 - Batteries
 - energy usage
 - adding heat
 - Solar power


 

     Batteries    