Sound Waves Review Flashcards
The creation of sound starts when something is caused to what?
Vibrate
After a sound is created, it travels to the ear through a ______ so it can be heard.
Medium
Sound waves can travel through what?
Solids, liquids, and gases
Parts of a wave where the particles of the medium are closer together.
Compressions
Parts of a wave where the particles of the medium are further apart.
Rarefactions
In sound waves ________ is the distance between compressions or rarefactions.
Wavelength
In sound waves ________ is the density of the medium’s particles at the compressions of the wave.
Amplitude
Equation
Frequency=number of wavelengths/time
Equation
Speed=distance traveled/time
the speed of sound is fastest in 1._____ and slowest in 2._______.
1.Solids 2. Gases
As the temperature of the medium increases, the speed of the sound wave increases. True or False
True