How You Hear Sound

Which range of frequencies can be heard by the human ear?

• 20 - 20 000 Hz

• 10 - 10 000 Hz

• 20 - 200 000 Hz

• 20 - 50 000 Hz

We hear sounds with our _______________.

• ear

• eye

• nose

• hair

Tags

NGSS.MS-LS1-8

Which part of the ear receives vibration?

• ear drum

• ear lobe

• ear hairs

• ear mole

Sounds travels _______________ in solids than in gas.

• faster

• slower

• more

• less

Tags

NGSS.MS-PS4-2

The drum is hit.

The drum sends vibrations as sound waves.

The ear drum vibrates, activating the hammer, anvil and stirrup.

The cochlea sends the message to the auditory nerve.

The brain hears the sound of the drum.

• and 2

• , 2 and 3

• , 2, 3 and 4

• , 2, 3, 4 and 5

Tags

NGSS.MS-PS4-1

The hammer, anvil and stirrup are called

• three cool bones

• the ossicles

• the pinna

• very important ear parts

Which number is the cochlea?

• 1

• 7

• 10

• 6

A higher number of decibels means

• the sound is safe and will not damage my ears

• the sound is louder

• you should go up closer

• there is cool technology

A whisper has a

• high pitch

• low pitch

• high volume

• low volume

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