Product Description
Video and lesson investigations on the topic of sound vibrations. Key concepts include:
- Using a special instrument (an oscilloscope) allows sound to be ‘seen’. Different sounds make different patterns on the oscilloscope screen.
- An oscillloscopse converts sound vibrations into visual patterns on its screen. These patterns appear on the screen as a series of waves.
- The lower the note, the slower the vibration and the further apart the wave pattern is.
- Higher notes form wave patterns which are smaller and closer together because the vibrations are faster.
- Musical instruments parallel this.
- Instruments that are used to play deep notes tend to be large, to handle the vibrations (eg. Double-bass, tuba, baritone saxophone) whilst high note instruments tend to be smaller (flute, recorder, clarinet).
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