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SOUND

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SOUND What do you hear? What do you hear? WAVES Transversal Waves Longitudinal Waves AMPLITUDE Height of the wave The higher the amplitude, the louder the sound ... – PowerPoint PPT presentation

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Title: SOUND


1
SOUND
2
What do you hear?
3
What do you hear?
  • DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

4
WAVES
5
Transversal Waves
Crest
6
Longitudinal Waves
7
AMPLITUDE Height of the waveThe higher the
amplitude, the louder the sound
8
Frequency Number of waves per second.High
frequency, higher the pitch
9
SOUND WAVES
10
Must travel in a MEDIUM.
11
SPEED OF SOUND
12
SOUND TO THE EAR
13
How a trumpet works!
  • http//www.youtube.com/watch?volA3TrgnK7osafety_
    modetruepersist_safety_mode1safeactive

14
How a drum works!
  • http//www.youtube.com/watch?vjR17iCbMMOAsafety_
    modetruepersist_safety_mode1safeactive

15
How an electric guitar works!
  • http//www.youtube.com/watch?vlBAZepM5F_0safety_
    modetruepersist_safety_mode1safeactive

16
How a cell phone works!
  • http//www.youtube.com/watch?vxv9dRENgDocsafety_
    modetruepersist_safety_mode1safeactive

17
REVIEW
  • SOUND TRAVELS IN ___________
  • The higher the amplitude, the _________ the sound
  • The higher the frequency, the __________ the pitch

18
REVIEW
  • In what medium does sound travel fastest?
  • Solid, liquid or gas
  • Sound is usually measured in _________.
  • Humans hear from _____ to ______ Htz

19
Label the parts of the waves
20
What did you learn today?
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