Sound and 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-PS4-1

Which part of the ear acts as the sound collector?

• 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

Where is a place a person would hear no sound?

• in a cave
• in a forest
• in space
• in water

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.

Where does HEARING (interpreting the nerve impulses) take place?

• outer ear
• middle ear
• inner ear
• brain

What is #13?

• Eardrum
• Anvil
• Hammer
• Cochlea

What is #19?

• Semicircular Canals
• Ear Canal
• Auditory Nerve
• Cochlea

What is #2?

• Ear Canal
• Pinna
• Hammer
• Anvil

Which travels faster: sound or light waves?

• sound
• light

Tags

NGSS.HS-PS4-1