Good Vibrations By Chelsea Ziliak 2/20/2010
Science Standard 3  The Physical Setting <ul><li>Indicator 3.3.9- Demonstrate that things that make sound do so by vibrati...
Definitions <ul><li>Vibrations- </li></ul><ul><ul><li>A rapid linear motion of a particle or of an elastic solid about an ...
Background Information <ul><li>Usually a  vibrating string  produces a  sound  whose  frequency  in most cases is constant...
Materials <ul><li>Comb </li></ul><ul><li>Wax Paper </li></ul><ul><li>Box  </li></ul><ul><li>Rubber bands </li></ul>
Pre-Activity  <ul><li>1. Place fingers on throat. Make high sound, low sound, then say your name in a normal tone. </li></...
Harmonicas <ul><li>Take comb and piece of waxed paper </li></ul><ul><li>Fold wax paper over comb. </li></ul><ul><li>Play y...
Rubber Band <ul><li>Take rubber bands and shoebox. </li></ul><ul><li>Stretch rubber bands around shoebox. </li></ul><ul><l...
Compare/Contrast Chart
Assessment <ul><li>What makes sound? </li></ul><ul><li>Rubber bands </li></ul><ul><li>Vibrations </li></ul><ul><li>Air mov...
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Good vibrations

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Good vibrations

  1. 1. Good Vibrations By Chelsea Ziliak 2/20/2010
  2. 2. Science Standard 3 The Physical Setting <ul><li>Indicator 3.3.9- Demonstrate that things that make sound do so by vibrating, such as vocal cords and musical instruments. </li></ul><ul><li>Taken from:http://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspx </li></ul><ul><li>Link to activity:http://www.indianastandardsresources.org/files/sci/sci_3_3_9.pdf </li></ul>
  3. 3. Definitions <ul><li>Vibrations- </li></ul><ul><ul><li>A rapid linear motion of a particle or of an elastic solid about an equilibrium position. </li></ul></ul>
  4. 4. Background Information <ul><li>Usually a vibrating string produces a sound whose frequency in most cases is constant. Therefore, since frequency characterizes the pitch , the sound produced is a constant note . Vibrating strings are the basis of any string instrument like guitar , cello , or piano . </li></ul>
  5. 5. Materials <ul><li>Comb </li></ul><ul><li>Wax Paper </li></ul><ul><li>Box </li></ul><ul><li>Rubber bands </li></ul>
  6. 6. Pre-Activity <ul><li>1. Place fingers on throat. Make high sound, low sound, then say your name in a normal tone. </li></ul><ul><li>2. What did you feel? </li></ul><ul><li>3. When is a time that you think you may have felt vibrations of a sound? </li></ul>
  7. 7. Harmonicas <ul><li>Take comb and piece of waxed paper </li></ul><ul><li>Fold wax paper over comb. </li></ul><ul><li>Play your harmonica by pressing your lips lightly against the paper and humming musical scales. </li></ul><ul><li>Experiment with different scales. </li></ul><ul><li>What caused the noise? </li></ul>
  8. 8. Rubber Band <ul><li>Take rubber bands and shoebox. </li></ul><ul><li>Stretch rubber bands around shoebox. </li></ul><ul><li>Carefully pluck different rubber bands. </li></ul><ul><li>What types of sounds do you hear? </li></ul><ul><li>Watch the vibrations of the rubber bands. </li></ul><ul><li>Compare the sounds of the harmonica and the sounds of the rubber bands being plucked. </li></ul>
  9. 9. Compare/Contrast Chart
  10. 10. Assessment <ul><li>What makes sound? </li></ul><ul><li>Rubber bands </li></ul><ul><li>Vibrations </li></ul><ul><li>Air moving </li></ul><ul><li>Instruments </li></ul>
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