Hearing and Sound

Which part of the ear is the sound amplifier?

• outer ear
• ear canal
• middle ear
• inner ear

How does increasing the amplitude of a sound wave affect the sound?

• it makes the sound louder
• it makes the sound travel faster
• it increases the wavelength of the sound
• it increases the frequency of the sound

Tags

NGSS.MS-PS4-1

Which part of the ear acts as the sound collector?

• outer ear
• ear canal
• middle ear
• inner ear

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

What is the first place in the ear where sound vibrations traveling in air are transferred?

• the ear bones
• the eardrum
• the ear liquid
• the ear hairs

Containing three tiny bones( hammer,anvil,and stirrup).

• Cochlea
• Inner ear
• Middle ear
• None 

What are the three parts of the ear?

• Outer ear, middle ear and inner ear
• Cochlea,middle ear and inner ear
• Frequency,audition,and pitch,
• Neither

What is the purpose of the ear?

• the ability to hear humans only
• The ability to hear
• Both

The measure of energy a wave carries

• sound wave
• wavelength
• amplitude
• pitch

Tags

NGSS.MS-PS4-1

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity