Ears

What unit do we use to measure sound?

• decibels
• inches
• pounds
• centimeters

Tags

NGSS.MS-PS4-1

The ear has three parts

• the cochlea, the eardrum and the ear canal

• the outer, middle and inner ear

• the outer ear, earwax and ossicles

When sound waves cause the eardrum 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

Ears help you with:

• seeing

• tasting

• balance

• touching

Tags

NGSS.MS-LS1-8

Inner ear includes:

• pinna and ear canal

• ossicles

• eardrum

• cochlea - auditory nerve

Tags

NGSS.MS-LS1-8

The cochlea is like a ...

• spiral

• square

• line

The auditory nerve sends signals to the ....

• cochlea

• ear drum

• brain

Tags

NGSS.MS-LS1-8

The middle ear deals with

• hearing

• equilibrium

• both hearing and equilibrium

What determines the LOUDNESS of sound?

• amplitude of the soundwave
• FREQUENCY of the soundwave

Tags

NGSS.MS-PS4-1

What determines the PITCH of sound?

• amplitude of the soundwave
• FREQUENCY of the soundwave

Tags

NGSS.HS-PS4-1