A basic explanation of sound and water waves. The JAVA Applet allows you to change the amplitude of the wave (its height), the wavelength (the distance from one wave top, or crest, to the next) and the phase (how far to the left or right the wave slides).
A Java applet of a wave where you can adjust its wavelength, frequency, and amplitude by clicking on the drop down list in the upper left corner, and then selecting one of the choices which appear.
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