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Appropriate for Grades 2-5

This kit introduces characteristics of waves. Students observe how sound waves travel using a slinky. Students also observe vibrations produced by tuning forks and the relative pitch produced by two different tuning forks. The musical scale is emphasized and how a change in the length or thickness of a string produces different pitches in a stringed instrument. Students play different tunes using musical test tubes and musical straws. The structure of the human ear is introduced. A complete instructor's manual is included.

The materials in kit are sufficient for 24 students (working in 6 groups of 4). The materials are supplied for use only with the exercises described in the manual.
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