Explore the physical nature of sound -- its origin in vibration, its transmission though various mediums and its range of frequencies including those above and below our own audible spectrum.
1 Comment on "Good Vibrations!"
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avandewarker at noon, 01/03/11, said:
This looks wonderful! I teach a new class each nine weeks, and wanted something like this that was COOL and FREE. I think this will be enjoyed by my fourth and fifth graders!