The ear

What happens in the tympanic membrane

?

• Sound waves are converted to vibrations.

• Sound waves make the tiny hairs in your ear move

• Carries the message to the brain

What does the fluid inside your ears do when displaced?

• Vibrates the skin in your ear

• Sends sound waves to the brain

• Displaces the hair cells.

• Stimulates the hair cells to send an impulse

Tags

NGSS.MS-LS1-8

What is in the Semi-Circular canals?

• Cilia (Tiny Hairs)

• Liquid

• Thin Skin

Where is the tympanic membrane located?

• The Outer ear

• The Inner Ear

• The Middle Ear

Where is the Eustachian Tube connected to?

• The back of the head

• The back of the nose

• The back of the Ear

When sound waves cause the tympanic membrane to vibrate, these vibrations are immediately passed on to the_________.

• outer ear and ear canal

• inner ear

• tiny hairs

• three small bones in the middle ear

Tags

NGSS.MS-PS4-2

What happens in the inner ear?

• Sound waves are captured.

• Sound waves move deeper into the ear.

• Sound waves are reflected.

• Sound waves are converted into nerve impulses.

What is #13?

• tympanic membrane

• Anvil

• Hammer

• Cochlea

What is #2?

• Auditory meatus

• Pinna

• Hammer

• Anvil

What unit do we use to measure sound?

• decibels
• inches
• pounds
• centimeters

Tags

NGSS.HS-PS4-1