Quiz on Sound

Why does a guitar produce a lower pitch when you do not press any fingers against a string while plucking it?

• A shorter string produces a lower pitch

• A shorter string produces a louder sound

• A longer string produces a higher pitch

• A longer string produces a lower pitch

When a sound wave hits your ear, it makes the air in your ear vibrate. These vibrations cause what part of your body to vibrate?

• Your auditory nerve

• Your ear drum

• Your aorta

• Your retina

When something vibrates quickly, it makes high frequency waves. You hear this as what kind of sound?

• A high pitch

• A low pitch

• A medium pitch

• A G sharp

Which unit is sound frequency measured in?

• Amps

• Joules

• Hertz

• Heinz

Sound waves can be reflected off solid objects. When this happens, what do we hear?

• Music

• An echo

• Thunder

• No sound

Which travels fastest, light or sound?

• Light travels faster than sound

• Light and sound travel at the same speed

• Sound always travels faster than light

• Sound sometimes travels faster than light

Which musical instruments produce lower pitches?

• Shorter or thinner instruments

• Larger or thicker instruments

• Brass instruments

• Woodwind instruments

Which unit is the intensity (loudness) of a sound measured in?

• Decibels

• Crucibles

• Multiples

• Degrees

Sound waves can be reflected, transmitted or what else?

• Bounced

• Deflected

• Transcribed

• Absorbed

What can sound travel through?

• Air

• Water

• Walls

• All of the above