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1-PS4-1
Waves and Their Applications
DCI: Wave Properties- Sounds can make matter vibrate, and vibrating matter can make sound.

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Plan and conduct investigations to provide evidence that vibrating materials can make sound and that sound can make materials vibrate.

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1st Grade

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Sounds are created by vibrations. When we talk, our vocal chords vibrate. When people play the guitar, they "pick" the strings. The strings will then vibrate. The shape of the guitar and the thickness, length, and tightness of the strings affect how the music sounds.

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The strings of the guitar vibrate when they are plucked. String instruments play different sounds. The tighter, thinner or shorter the string is, the higher-pitched the sound will be and the looser, thicker or longer the string is, the lower the sound will be. Faster vibrations will make a sound higher, and slower vibrations will make a sound lower.

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2 min

Updated: 8th December 2021

Want to learn some facts about sound and instruments? Well, all the instruments listed below are played in different ways, but they all have something in common. They all create sounds by vibrating!
1. Guitar
The strings of the guitar vibrate when they are plucked. String instruments play different sounds. The tighter, thinner or shorter the string is, the higher-pitched the sound will be and the looser, thicker or longer the string is, the lower the sound will be. Faster vibrations will make a sound higher, and slower vibrations will make a sound lower.
2. Trombone
Trombones are filled with a column of air, which vibrates when blown. Shortening the column of air will create a higher sound, and lengthening the column of air will create a lower sound. This can be done with a sliding mechanism. The pitch can also be changed by the way the trombone player's lips vibrate on the mouthpiece - slow vibrations produce a low sound, whereas faster vibrations produce a higher sound.
3. Drum
The drum makes a sound because the skin vibrates when you hit it. Imagine that someone placed some rice on the skin of a drum. The rice grains would vibrate more when the drum was hit harder, creating a louder sound. This is because the louder the sound, the bigger the vibration. The pitch of a drum can be changed. In a drum, the tighter the skin, the higher the pitch will be. A thinner skin will make a higher-pitched sound and a thicker skin will make a lower-pitched sound.

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How is sound made by musical instruments? - Twinkl Homework Help

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2 min Updated: 8th December 2021 Want to learn some facts about sound and instruments? Well, all the instruments listed below are played in different ways, but they all have something in common. They all create sounds by vibrating! 1. Guitar The strings of the guitar vibrate when they are plucked.

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Forced Vibrations - Why does a guitar have a hollow box? | #aumsum #kids #science

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In this experiment, the harmonics that occur when the various strings are plucked in three locations will be compared. The harmonic composition of sounds is a large factor in determining its qualities. The test locations were over the soundhole (standard playing location), next to the bridge, and over the 6th fret (on the neck).

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Guitars consist of two sections: the neck and the body. Strings are run from the neck to the body. When a string is plucked its vibration is transmitted from the bridge, resonating throughout the top of the guitar. It is also transmitted to the side and back of the instrument, resonating through the air in the body, finally producing sound from the sound hole.

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The top of the guitar, also called the soundboard, plays a crucial role in producing sound. It is made from wood that is lighter and offers even better sound transmission than that used in the sides or back of the instrument. Although some players put stickers or other decorations on the top, doing so is not recommended as it can cause the sound to suffer. You may wonder, then, why there is a pick guard installed on the top. Actually, this is sort of a necessary evil, as it prevents the pick from striking the top and scratching it.

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the structure of the acoustic guitar：how a guitar makes sound

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The Structure of the Acoustic Guitar：How a guitar makes sound - Musical Instrument Guide - Yamaha Corporation

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The top of the guitar, also called the soundboard, plays a crucial role in producing sound. It is made from wood that is lighter and offers even better sound transmission than that used in the sides or back of the instrument.