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15 questions
All sounds are made by ............. objects.
warm
cold
vibrating
Sound is a kind of energy that travels in ..............
waves
current
group
.............. is measure of how high or low a sound is.
Pitch
Temperature
Length
Sound waves cannot travel through ...................
solid
liquid
space
As sound waves move away from their source the sound become ....................
louder
softer
faster
To ..................... is to move back and forth quickly.
pitch
crest
vibrate
Loudness of sound is measured in ...............
decibels
feet
degree
................... is how loud or soft a sound is.
Speed
Wave
Volume
Your .............. vibrate and produce sound when you speak.
arms
vocal cords
lungs
Sound waves carry .............. from one place to another
crests
energy
fluid
On or 20 Hz sound is called ?
On or above 20,000 Hz sound is called?
Give the 3 mediums of sound.
Answers should be like this:
S____,L____,G____
Separated by comma no space.
The scale to measure sound
The important measure of sound
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