Difference between revisions of "Sound"
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| style="height:20px; width:300px; text-align:center;" |The pegs on the end of a stringed instrument can make the strings tighter or looser. | | style="height:20px; width:300px; text-align:center;" |The pegs on the end of a stringed instrument can make the strings tighter or looser. | ||
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+ | ===Volume=== | ||
+ | {| class="wikitable" | ||
+ | |+ The bigger the vibration, the louder the sound. | ||
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+ | |[[File:ViolinPegs.png|center|300px]] | ||
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+ | | style="height:20px; width:300px; text-align:center;" |When you hit a drum hard, it makes a louder sound because the [[Vibrate|vibration]] is bigger. | ||
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Revision as of 13:59, 19 August 2018
Contents
Key Stage 1
Meaning
Sound is something that we hear with our ears.
About Sound
- A sound can be loud or quiet.
- A sound can be low or high pitched.
Examples
The sound of a mouse's squeak is very high pitched. | A tuba makes a deep or 'low pitched' sound. |
Shouting, screaming and yelling are all loud sounds. | Whispering is a very quiet sound. |
Key Stage 2
Meaning
Sound is a vibration that passes through the air to our ears.
About Sound
- Sounds are caused by materials vibrating.
- Sound travels through the air because it makes the air vibrate. If there were no sound could not travel to our ears.
- Sounds can be high or low pitched.
- Sounds can be loud or quiet.
Pitch
Size
A small 'soprano' saxophone makes a high pitched sound. | An 'alto' saxophone makes the second highest pitch. | A tenor saxophone makes the second lowest pitch. | A large 'bass' saxophone makes a low pitched sound. |
Thickness of Strings
A regular guitar has thin strings and can make high pitched sounds. | A 'bass' guitar has thick strings and makes low pitched sounds. |
Length of Strings
The shorter strings on a harp make a higher pitched sound. |
Tightness of Strings
The pegs on the end of a stringed instrument can make the strings tighter or looser. |
Volume
When you hit a drum hard, it makes a louder sound because the vibration is bigger. |