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Sound Energy
Sound Energy Vocabulary Words
| Term | Definition |
|---|---|
| *reflection | the bouncing of sound or light off an object |
| *frequency | the number of vibrations per second |
| *pitch | how high or low a sound is |
| *volume | the loudness or softness of a sound |
| *amplify | to enlarge, expand or increase the volume of a sound |
| *echo | a repetition of a sound by the reflection of sound waves from a wall, mountain, or other obstructing surface |
| *vibration | the movement of sound waves through a gas, solid or liquid that creates sound |
| *absorb | to take in or soak up |
| *medium | a substance that occupies space like a solid, liquid or gas |
| *sonar | a method or device used for locating objects underwater using sound waves |
| *decibel | units to measure loudness or volume |
| *high pitch | a sound in which vibrations are fast |
| *low pitch | a sound in which vibrations are slow |
| *loudness | the more energy a sound has, the louder it is |
| *solids | a tightly packed medium through which sound travels the fastest |
| *gas | the medium through which sound travels most slowly |
| *echolocation | sending out sound and hearing where it bounces off in order to navigate or find objects |
| *ultrasound | technology using ultrasonic waves to see pictures of the body |
| *ultrasonic | a sound that has a frequency too high to be heard by the normal human ear |
| *vacuum | an area with no matter - so sound cannot travel through |
Created by:
Anderson11
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