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aesSound5
| Term | Definition |
|---|---|
| vibrations | Back and forth motion that causes sound |
| solid | Sound travels best through this state of matter. |
| compressions | Areas of increased pressure; waves are close together |
| rarefactions | Areas of decreased pressure; waves are spread apart |
| sound | Form of energy that produces noise |
| frequency | The amount of times an object vibrates over a given amount of time. |
| wavelength | When labeling a sound wave, the distance from one wave to the next. |
| pitch | The highness or lowness of a sound. |
| volume | How loud or soft a sound is, |
| high | If an object is vibrating fast, it will have a _____ pitch. |
| low | If an object is vibrating slow, it will have a _____ pitch. |
| echolocation | When animals like bats, whales, and dolphins send out sound waves to locate food, danger, or communicate with one another. |
| echo | A reflect sound. When sound hits an object and bounces back. |
| amplitude | How much energy is in sound. |
| percussion | Type of instrument. This instrument is played by striking it with the hand or a mallet. It can also be shaken like a maraca. |
| string | Type of instrument. This instrument produces sound by plucking or striking or by drawing a bow against tight strings. |
| woodwind | Type of instrument. This instrument produces sound by blowing into the instrument. |
| slinky | Tool used to show how sound travels. |
| tuning fork | Tool used to hear vibrations. |
| gas | Sound travels slowest through this state of matter. |