Sound and Ear

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

• G sharp

What can sound travel through?

• Air

• Water

• Wall

• All of the above

Tags

NGSS.MS-PS4-2

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

• Crucibles

• Decibles

• Intensity

• Degrees

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?

• Retina

• Aorta

• Eardrum

• Auditory nerve

Tags

NGSS.MS-PS4-1

Which musical instruments produce lower pitches?

• Shorter or thinner instruments

• Larger or thicker instruments

• Brass instruments

• Woodwind instruments

Normal conversation is measured at _____ dB

• 30

• 120

• 60

Which unit is sound frequency measured in?

• Joules

• Heinz

• Hertz

• Degrees

Any sound higher than 130dB is sound that can damage the ear.

• True

• False

What is the name of the instrument used to record sounds?

• Microphone

• Sound wave

• Sound meter

The movement of something backwards and forward causing a vibration is known as ____

• Frequency

• Sounds

• Decibels