You are presented with the question "Audible ground fireworks convert chemical energy into what?" and the following answer choices: 
- Light
 - chemical energy
 - matter
 - plasma
 - sound
 - energy
 - heat
 - fire

Now knowing that afirecracker converts chemical energy into sound and audible ground fireworks, such as firecrackers and chasers, are illegal in Kentucky, choose the best answer.


 

     sound    