Sound Flashcards
What make u vibrate
There is two bands of tissue in ur throat make u vibrate
What is vibrations
Quick back-and-forth motion
What’s the part of your body that makes u vibrate called?
They are called the vocal cords
How does vocal cords work?
As u make sound u push air from your lungs over your vocal cords to vibrate?
What is the form of sound
Like light, it is energy
What does the outside of ur ear do?
It catches vibration and directs it in your ear canal
What’s after that?
The vibrations travel down the ear canal to the eardrum and make it vibrate
What’s a sound wave
We call each vibrations a sound wave
Loudness of a sound depends on…
The size of the sound wave
What’s the name of the loudness of the sound
Volume
What’s a pitch
How high or low a note are
What’s frequency
Vibration per second
Why can’t me hear giraffe
Because it’s too low pitched
We call one vibration per sec?
One hertz
Why can’t we hear in space
Because there’s no air in space so sound waves can’t travel
