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- Sounds are nothing more than tiny shaking movements of the air.
- Sounds are made when a material vibrates.
- Fast vibrations make a high sound, and slow vibrations make a low sound.
- Large vibrations make a loud sound, and small vibrations make a quieter sound.
- Plucking, blowing, shaking, beating or scraping can make sounds.
- Sound can travel through materials.
- Hard materials can reflect sound so that the sound travels back in the opposite direction. This is called an echo.
- Whales in the ocean "sing" to each other. The sound of their song can travel a distance of 800km.
Sound moves through the air at 340m per second
Wiki User
∙ 13y ago
Sound is produced by vibrations that travel through a medium, such as air or water. The speed of sound varies depending on the medium it is traveling through, with sound traveling faster in liquids and solids than in air. Sound can be characterized by its frequency (pitch), amplitude (volume), and timbre (quality).
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