Sound, Ear, Music

What happens to our hearing if we listen to loud noises all the time?

• We appreciate music better

• we get a ringing in our ears

• we start to experience hearing loss

How is your eardrum like a real drum?

• It produces sound.

• It vibrates.

• It is frequently struck by the bones in your middle ear.

• It is hollow.

Tags

NGSS.MS-PS4-1

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.

• Sound does not travel faster through a solid than a gas.

• Solid molecules are packed tightly.

• Gas molecules move slowly.

Tags

NGSS.MS-PS4-2

What is #13?

• Eardrum

• Anvil

• Hammer

• Cochlea

What is #19?

• Semicircular Canals

• Ear Canal

• Auditory Nerve

• Cochlea

The range of human hearing.

• 20 Hz - 20, 0000 Hz

• 200 Hz - 2000 Hz

• 20 Hz - 2000 Hz

• 200 Hz - 20,000 Hz

An oscilloscope shows sound ________

• vibrations

• patterns

• imitations

• waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The number of vibrations per second is defined _________________________.

• pitch

• frequency

• decibels

• doppler

The tympanic membrane is the scientific name for the ____________.

• ear canal

• cochlea

• eardrum

• auditory nerve

What is the abbreviation for decibels?

• db

• dB

• DB

• Db