SOUND
description
Transcript of SOUND
How a trumpet works!
http://www.youtube.com/watch?v=olA3TrgnK7o&safety_mode=true&persist_safety_mode=1&safe=active
How a drum works!
http://www.youtube.com/watch?v=jR17iCbMMOA&safety_mode=true&persist_safety_mode=1&safe=active
How an electric guitar works!
http://www.youtube.com/watch?v=lBAZepM5F_0&safety_mode=true&persist_safety_mode=1&safe=active
How a cell phone works!
http://www.youtube.com/watch?v=xv9dRENgDoc&safety_mode=true&persist_safety_mode=1&safe=active
REVIEW
SOUND TRAVELS IN ___________
The higher the amplitude, the _________ the sound
The higher the frequency, the __________ the pitch
REVIEW
In what medium does sound travel fastest?
Solid, liquid or gas
Sound is usually measured in _________. Humans hear from _____ to ______ Htz