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Decibels are the unit of measurement in which we hear sound. This has to do with the amplitude of a sound wave. If the amplitude is higher, the more "decibels¨ a certain sound will have

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1) A 4th of July party will generally be very loud. It will have a lot of Decibels

2)The rustling of leaves on trees will generally be very quiet. Therefore, it will not have a lot of decibels

3)The Super Bowl will generally be very loud. Therefore, the amplitude of the waves will be very high, translating into a lot of decibels.

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Amplitude- The maximum extent of a vibration or oscillation, highest point in the wave, the amplitude is how much energy the wave has

The higher the intensity of a sound, the louder it is perceived in our ears, and the higher volume it has. Since intensity is a function f energy, and energy is related to amplitude, then we can make the conclusion that the volume is proportional to the amplitude of the sound wave.

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You might have not known what decibels were before now, but to summarize what are they and what is their significance in not only sound but life?

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-Vibration causes a wave pressure throw the air
- Frequency of the waves affects the pitch you will hear it at
- The level of air pressure affects how loud you will hear the sound
WATCH FROM 0-1:32

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The decibel System ( dB) is used to measure the sound and intensity of the sound of different objects,  The dB is a logarithmic way of describing a ratio. The ratio may be power, sound pressure, voltage or intensity or several other things. the logarithmic. The decibel scale  goes up in powers of ten: every increase of 10dB on the  is equivalent to a 10-fold increase in sound intensity  (every ten decibels is corresponds with a doubling in loudness) to find the decibel rating (important for hands on activity) between 2 different decibels, you add 10 to one if it is 10 times more powerful, 20 if it is 100 times more powerful, 30 if it's 1000 times more powerful and so on..., if it is in the form of a fraction then you subtract the decibel by 10 if it is 1/10, 20 if it is 1/100, 30 if it is 1/1000, and so on.....

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https://www.physicsclassroom.com/Concept-Builders/Waves-and-Sound/Decibel-Scale/Concept-Builder

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What did you get out of the simulation?

Does the amplitude of a wave directly affect the volume?

Did you get stuck on any of the questions?

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https://play.kahoot.it/#/k/4a7d51e1-d375-4545-83df-70b5321ff3c6