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Exploring Sound: Waves, Frequency, and Pitch at the MathScience Innovation Center

Discover the fundamentals of sound at the MathScience Innovation Center! This engaging presentation delves into the nature of sound as energy created by vibrating matter. Learn about vibrations, waves, and how they travel. Explore key concepts like frequency and pitch, and see demonstrations using tools like a coil spring and Chladni Plate. Participate in activities such as creating music and analyzing wave patterns. Perfect for budding scientists and music lovers, this interactive experience brings the wonders of sound to life!

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Exploring Sound: Waves, Frequency, and Pitch at the MathScience Innovation Center

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Presentation Transcript

  1. Looking at Sound Presented by

  2. Activity: Dancing Salt MathScience Innovation Center 2010

  3. A form of energy produced and transmitted by vibrating matter. Vibration: back and forth movement of molecules It travels in waves. Sound MathScience Innovation Center 2010

  4. Waves Complete to and fro movement There and back Full cycle MathScience Innovation Center 2010

  5. How many full cycles? 3 cycles 3 waves MathScience Innovation Center 2010

  6. Wavelength • the distance between one part of a wave and the same part of the next wave. MathScience Innovation Center 2010

  7. Demonstration: Coil Spring MathScience Innovation Center 2010

  8. Frequency • the number of waves moving past a point in one second. MathScience Innovation Center 2010

  9. low time Which sound do you think has the higher frequency? high time MathScience Innovation Center 2010

  10. Pitch • the measure of how high or low a sound is. • depends on the frequency of a sound wave. MathScience Innovation Center 2010

  11. low time Which sound do you think has the higher pitch? high time MathScience Innovation Center 2010

  12. soft time Which sound do you think sounds louder? time loud MathScience Innovation Center 2010

  13. Activity:FREEZE! MathScience Innovation Center 2010

  14. 1.70.5542.863.1321.799 MathScience Innovation Center 2010

  15. Making Music MathScience Innovation Center 2010

  16. Notes:FGABflatCDEF Higher Pitch Shorter Pipe G MathScience Innovation Center 2010

  17. C F F C C D D Twinkle, Twinkle Little Star melody harmony C C A A B B A Twin-kle,Twin-kle lit-tle star MathScience Innovation Center 2010

  18. Twinkle, Twinkle Little Star B B A A G G F melody harmony G G F F E E C How I won-der what you are MathScience Innovation Center 2010

  19. C B B A A G C Twinkle, Twinkle Little Star melody F harmony A A G G F C Up a-bove the world so high MathScience Innovation Center 2010

  20. C F F C C D D Twinkle, Twinkle Little Star melody harmony C C A A A B B Like a dia-mond in the sky. MathScience Innovation Center 2010

  21. B B A A G G F Twinkle, Twinkle Little Star melody harmony G G F F E E C Twin-kle,Twin-kle lit-tle star MathScience Innovation Center 2010

  22. C B B A A G C Twinkle, Twinkle Little Star melody F harmony A A G G F C How I won-der what you are. MathScience Innovation Center 2010

  23. Looking at our Song with the Waveport MathScience Innovation Center 2010

  24. Review: vibrations Sound is caused by _________________ of matter The faster the vibration, the higher the _________________________. frequency or pitch The bigger the vibration the __________ the sound. louder MathScience Innovation Center 2010

  25. Chladni Plate MathScience Innovation Center 2010

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