Can You Hear Me Now?

What is the primary difference between sound waves and light waves?

• Sound waves are visible to the human eye.

• Sound waves can travel through a vacuum.

• Sound waves require a medium to travel.

• Sound waves are faster than light waves.

Which of the following describes the frequency of a sound wave?

• The distance between two crests of a wave.

• The rate at which an object vibrates.

• The height of the wave crest.

• The speed at which sound travels.

Why do we see lightning before we hear thunder?

• Thunder travels faster than lightning.

• Lightning is brighter than thunder.

• Sound is absorbed by the atmosphere.

• Light travels faster than sound.

What is echolocation primarily used for?

• To increase the volume of sound.

• To locate objects using sound waves.

• To measure the speed of sound.

• To change the frequency of sound.

What can happen if you listen to music at a very high volume?

• It can improve your hearing.

• It can make you hear a wider range of sounds.

• It can increase the speed of sound.

• It can permanently damage your ears.