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 (B)</p> Signup and view all the answers

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