You are presented with the question "What does gong's particles vibrating cause?" and the following answer choices: 
- particle explosion
 - friction
 - silence
 - ice forming
 - heat energy
 - Energy.
 - energy
 - resonance

Now knowing that hitting an object causes the particles in that object to vibrate and geoffrey stops to hit a gong in different places, testing the concept of resonance, choose the best answer.


 

        resonance 