Properties of Sound
What type of wave is a sound wave?
Mechanical, longitudinal wave
Does sound travel faster in air or water?
Water
What unit measures Intensity?
Decibels (dB)
What causes sound waves?
Vibrations
What factor increases sound speed?
Temperature
What is intensity?
Rate of energy transfer
Through what do sound waves travel?
A material medium
Why does heat increase sound speed?
Particles move faster
What two factors affect intensity?
Amplitude & distance
What determines sound speed in a medium?
How well particles transmit energy
Compare speed in gases vs liquids
Liquids are faster
Loudness is determined by______
Intensity
Which state of matter transmits sound fastest?
Solids
True/False: Sound travels fastest in gases.
False
Greater amplitude means what?
Greater Intensity→ Louder sound