Sound Energy

What is sound energy?

• Energy produced by heat

• Energy made by objects that do not move

• Energy made by objects that vibrate

• Energy created from light sources

What type of energy is sound classified as?

• Chemical energy

• Nuclear energy

• Electrical energy

• Mechanical energy

How do sound waves reach our ears?

• Through solid objects

• As pulsing vibrations in the air

• As light waves

• By direct contact

What happens to the eardrum when sound waves enter the outer ear?

• It expands

• It remains still

• It vibrates

• It absorbs the sound

Which of the following is NOT mentioned as a factor of sound in the video?

• Loudness

• Softness

• Color

• Pitch