The Amazing Abilities of Sound

By causing the air molecules to bounce against each other (correct)

By converting air into a solid for the sound to travel

By creating a vacuum in the air for the sound to pass through

By freezing the air molecules to create a pathway for the sound

The headphones emit higher frequency waves when in the ear

The ear canal reflects sound waves back into the headphones

The ear amplifies the sound waves from the headphones (correct)

The headphones generate more energy when in the ear

By converting the solid into a liquid for sound to move

By creating tiny holes through which sound travels

By melting the solid and allowing the sound to flow

By vibrating the molecules in the solid (correct)

<p>By generating powerful sound waves that can reach far distances</p> Signup and view all the answers

<p>By vibrating easily, allowing whale songs to travel thousands of miles</p> Signup and view all the answers