Show:
Sound Waves
Can You Hear Me?
In the Ear
100
The back and forth or up and down movement of an object.
What are vibrations?
100
These vibrate in your throat when you speak.
What are vocal cords?
100
The three parts of the ear.
What are the outer ear, middle ear, and inner ear?
200
Energy.
What is the ability to make things move?
200
A sound that is heard again because sound waves bounce off a surface and come back.
What is an echo?
200
The thin membrane that stretches across the middle ear and vibrates when sound waves strike it.
What is the eardrum?
300
To reflect.
What is to throw or bounce back?
300
The part of the ear that people can see.
What is the outer ear?
300
The three bones in the middle ear in order.
What are hammer, anvil, and stirrup?
400
The number of waves that pass a given point in an amount of time.
What is frequency?
400
A way that good hearing is important for animals' survival.
What is the ability to hear a predator approaching, and escape or to hear prey moving and to find food.
400
A snail-shell like structure in the inner ear.
What is a cochlea?
500
A unit for measuring frequency.
What is hertz?
500
Hearing impaired.
What is to have a hearing loss?
500
A nerve that carries signals from the cochlea to the brain.
What is the auditory nerve?