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# Science Unit 3

what is the top of a wave called crest
what is the bottom of a wave called the trough
how long between a wave is called wavelength
If a wave has a higher pitch the waves are ________ together, and the waves are usually ____________. closer, higher
If a wave has a lower pitch the waves are ________ , and the waves are usually ____________. farther apart, lower
Do waves Repeat in patterns or do they occur randomly The stay in patterns. extra: they repeat in patterns because the parts of he wave repeat loudness.
Determines the amount of energy amplitude
Determines the pitch Freaquency
As wavelength increases frequency
Pitch and frequency are the same by..... thy both determine the pitch
Were douse sound travel faster? by a solid or by a liquid solid
sound douse not travel in a vacuum or space
when partials in a wave are spread out it's called Rarefaction
When particles of a wave or close together its called compression
Frequency is measured in hertz or hz
how dose sound travel in a vacuum it doesn't
What part of a wave determines the amount of energy it has amplitude
Energy determines how ______ a sound is loud
What wave on the electromagnetic spectrum has the highest amount of energy? Why douse it have the highest amount of energy? Gama Rays, they have the highest amplitude
sound waves are ______ compressed and closer to the source of sound. more
How is a echo created when it bonces of a solid object
What is sound proofing? when you try to absorb sound
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