Difference between revisions of "Sound"
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[[File:EarPicture.png|right|200px|thumb|We hear '''sound''' with our [[Ears|ears]].]] | [[File:EarPicture.png|right|200px|thumb|We hear '''sound''' with our [[Ears|ears]].]] | ||
===Meaning=== | ===Meaning=== | ||
− | '''Sound''' is something that we [[Hearing|hear]] with our [[ | + | '''Sound''' is something that we [[Hearing|hear]] with our [[Ears|ears]]. |
: Singular [[Noun]]: '''Sound''' | : Singular [[Noun]]: '''Sound''' | ||
: Plural [[Noun]]: '''Sounds''' | : Plural [[Noun]]: '''Sounds''' | ||
: [[Verb]]: '''Sound''' | : [[Verb]]: '''Sound''' | ||
+ | |||
===About Sound=== | ===About Sound=== | ||
: A '''sound''' can be loud or quiet. | : A '''sound''' can be loud or quiet. |
Revision as of 12:44, 20 October 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 has to travel through a medium. If there is no medium, sound cannot get form one place to another.
- Sound travels through the air because it makes the air vibrate. If there were no air 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. | When you pluck a guitar string harder, it makes a louder sound because the vibration is bigger. | Blow harder down a tube it makes a louder sound because the vibration is bigger. |