This is what vibrates inside your ear when sound reaches it.
What is the eardrum?
This word describes how loud or quiet a sound is
What is volume?
Sound is created by this back and forth motion.
What is vibration?
Sound travels in waves because these bump into one another in the air.
What are particles?
This word is used to describe how high or low a sound is.
What is pitch?
These cause the eardrum to vibrate.
What are sound waves?
You must have this to have sound, or you won't hear anything.
What is air?
These vibrate when we speak.
What are vocal chords?
These vibrate when you speak.
What are your vocal cords?
This is what happens to a ringing alarm clock if there is nothing around it, including air.
What is not ring or make a sound?
This is what we call a chain of vibrating molecules.
What are sound waves?
If you have an ear ache, you might place this soft, fluffy material in your ear to absorb the sound waves.
What is cotton?
To make a louder sound, this is needed.
What is more energy?
This is what vibrates in order to create music from a guitar or piano.
What are strings?
This sticky stuff might prevent sound from reaching your eardrum but it also protects your inner ear.
What is earwax?
The wheels on a train screech when stopping. This causes that loud noise.
What is friction, or the wheels rubbing the track?
One of these must happen in order for an object to vibrate.
What is struck, dropped, or rubbed?
Sound travels about this fast.
What is 700 miles per hour?
You would do this to the strings of a guitar to make the pitch higher.
What is tighten the string?