Vocabulary
A form of energy caused by vibrations
Sound
What is the high point of the wave?
Crest
What can sound not travel through?
empty space
When we use our 5 senses
observation
How loud or soft sound is:
volume
What is the low point of the wave?
Trough
Unit of measurement for sound
decibel
educated guess
hypothesis
The number of troughs or crests of a wave that pass by over a certain period of time
frequency
Wavelength
What travels fastest, sound or light?
light
the variable that changes on purpose
independent variable
The matter through which sound travels through
medium
Sound travels fastest though a solid, liquid or gas?
Solid
The study of sound
accoustics
variable that is measured
dependent variable
the size and intensity of a sound wave
amplitude
Sound travels the fastest through a warm or cold medium?
warm
What vibrates and produce sound when you talk?
Vocal cords
how many variables do you change in an experiment?
One