Sound Vocabulary
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Sound Waves and Parts of the Ear
By Oliver Smith
What is sound? Sound is caused by vibrations. The pitch and volume of the sound that is produced is determined by the size and speed of these vibrations. Students will enjoy using the following activities to create diagrams and understand sound waves and their uses.
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Storyboard Description
Sound Vocabulary - wavelength definition - what is amplitude, frequency, compression, Rarefactions
Storyboard Text
- FREQUENCY
- AMPLITUDE
- WAVELENGTH
- Frequency is the number of waves to pass a point every second, measured in Hertz (Hz). The frequency of audible sound ranges from 20Hz to 20,000Hz.
- Amplitude is the height of a wave, measured in meters (m). The higher the amplitude the higher the intensity of the wave.
- Wavelength is the length of one wave, measured in meters (m).
- COMPRESSION
- Compressions
- Sound
- RAREFACTION
- Rarefactions
- The part of the wave where the particles are compressed together is called compression.
- The part of the wave where the particles are spread out far apart is called rarefaction.
Image Attributions
- 43036 - Tekniska museet - (License Attribution )
- Frequency - quinet - (License Attribution )
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