Reflection: Adjustments to Practice Overtones in Musical Instruments - Section 2: Demonstration and Drawing Standing Waves

 

The first time I did this exercise, I did not provide enough structure to the front of the Multiple-standing waves worksheet. As a result the Student Work - Standing Waves Worksheet was not as clear or understandable as it could be (download this document to see all three samples on this PDF). When I saw the student work that was being produced, I stopped the activity and showed students an example of what I was looking for on the sheet. I then asked them what I could do to improve the worksheet. 

They told me a grid would help. Also, a count of how many wavelengths I would help. These suggestions where implemented before my next class so that is the work I displayed on this section. I think it would also help to place a stringed instrument in the picture and revised the worksheet to Multiple Standing Waves with Guitar. However, this was never given to students.

  Adjustments to Practice: Change Standing Waves Worksheet Due to Student Feedback
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Overtones in Musical Instruments

Unit 5: Waves
Lesson 7 of 15

Objective: Students create multiple drawings for how standing waves form on a string.

Big Idea: Musical instruments have overtones (called tonality) due to the formation of multiple standing waves from the instrument.

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Subject(s):
Waves, Science, wavelength, frequency (Waves), physics, standing wave, natural frequency, overtones (Waves)
  50 minutes
overtones on frequency
 
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