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# 6th: Sound Mid-unit

### CMS Mid-unit Sound Test 6th Grade

When a force is applied to an instrument what is being transferred? Energy
When the frequency of a wave decreases, what will increase? Wavelength
Changing the amplitude of a sound waves changes the what? The loudness of the sound
The top of the wave is called the _____ crest
The bottom of the wave is called the _____ Trough
The height of the wave is called the _____ amplitude
The distance between two identical places on a wave is called the _____ wavelength
The material a wave moves through is called a _____ medium
What is a push or pull? Force
What is the number of wave crests that pass a point in one second? Frequency
What is when something vibrates and sends waves of energy into our ears? Sound Waves
What type of energy does an object in motion have? Kinetic
When particles of the sound wave are squeezed together is called ________ Compression
When particles of the sound wave are spread apart is called _____ Rarefaction
What mediums can sound travel through? Solid, liquid, and gas
What type of waves are sound waves? Longitudinal
Sound waves are produced when an object _____ vibrates
When a received frequency is different than the sent frequency because of a change in motion or distance is called _________ Doppler Effect
Created by: HaleyCounts

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