3 example sources of sound energy?

Answer 1

-- the vocal folds in your larynx
-- a Trombone
-- a lightning discharge in air
-- a waterfall
-- wind
-- an automotive horn
-- Harpo's horn
-- a hollowed ram's horn
-- a dog's teeth on bone
-- a cricket's legs
-- a loudspeaker cone
-- a brook capable of babbling

Answer 2

1. A ringing alarm clock, where sound energy is produced by the vibrations of a mechanical bell.
2. A person playing a musical instrument, like a guitar, produces sound energy through the vibrations of the instrument's strings.
3. Thunder during a storm is generated by the rapid expansion and contraction of air due to the intense heat of lightning, creating sound energy waves.