Sound Study Guide Word Scramble
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Question | Answer |
The amount of energy in a sound, or the loudness of a sound | amplitude |
How high or low a sound is; | pitch |
Sound is a form of: | energy |
Sound travels in: | compressional waves |
How fast something vibrates | frequency |
The distance on a wave measured from crest to crest | wavelength |
Sound travels slowest through: | gases |
Sound travels fastest through: | solids |
The pitch of a sound is closely related to: | frequency |
High pitch = | high frequency |
Low pitch = | low frequency |
High amplitude = | loud sound |
Low amplitude = | soft sound |
A sounds frequency is measured in: | hertz |
The lowest frequency that humans can hear is: | 20 hertz |
The highest frequency that humans can hear is: | 20,000 hertz |
A sounds loudness, or intensity, is measured in: | decibels |
Humans feel pain at ____________ decibels | 120 |
A reflected sound wave creates an: | echo |
A place with NO matter, such as outer space | Vacuum |
Bats and whales use _________________ to locate food that they cannot see | echolocation |
Why do we see lightening before we hear thunder? | Light travels much faster than sound |
Why does furniture, rugs, and carpet cut down echoes and noise in a house | Soft objects absorb sound |
Which wave has more waves per second, a high frequency or low frequency sound | high frequency |
Which wave is louder, a wave with a small amplitude or a high amplitude | high amplitude |
Name several animals that can hear sounds with very high frequency | bats, dogs, cats, dolphin |
The rapid back and forth movement of something | vibration |
In order for sound to occur, something must: | vibrate |
What is the thin membrane inside your ear that detects vibrations | eardrum |
A compressional wave that moves outward from its source is: | sound |
A disturbance moving through a medium such as a solid, liquid, or gas is a: | wave |
Created by:
MrLittle5
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