Red
How high or low a sound is
pitch
The number of times a sound source vibrates in one second
Higher amplitude equals ____________ sound
louder sound
Which medium does sound travel the slowest through?
Gas
Higher amplitude sounds are _____________ than low amplitude sounds
louder
The energy in a sound wave
amplitude
the distance from one area of squeezed particles to the next area of squeezed particles
wavelength
Lower amplitude equals _________ sounds
quieter
Which medium does sound travel the fastest through
Solid
Sound systems use speakers to change __________ energy into sound
electrical
an area of bunched up and spread out air particles that move outward in all directions from a vibrating object
Sound Wave
What is the high point on a sound wave called?
Crest
Higher frequency means __________ pitch
high
Which part of the ear collects the sound?
Sound waves move in .....
All directions
A form of energy produced by vibrating objects
Sound
What is the low point on a sound wave called?
Trough
Lower frequency means ________ pitch
low
Where are the three tiny bones in the ear located?
Outer, middle, or inner ear
middle ear
Do all tuning forks make the same sounds
No
The back and forth motion of an object
Vibration
To start an object vibrating to make a sound requires ___________
energy
You sing and talk by vibrating you
Vocal cords
What are the three mediums?
Solid, Liquid, Gas
What was the first scene in the Bill Nye we watched?
Cheer leading