Activity 1A: Exploring Sound
Illuminations Sound Wave Applet
The sound wave applet is part of the National Council of Teachers of Mathematics Illuminations: Resources for Teaching Math Web site.
More information about the applet can be found here: http://illuminations.nctm.org/ActivityDetail.aspx?id=37. If the URL has changed, you should be able to locate the applet by searching for “NCTM illuminations sound wave applet.”
This Web site about sound was developed by the University of Salford, Manchester, United Kingdom. If the URL has changed, you should be able to locate the applet by searching for “Sounds Amazing Web site University of Salford.”
Activity 1B: Generating Sine and Cosine Graphs
Waveform applet - coming soon!