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15
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What is noise?
When Sound molecules move randomly
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monster
Reset all scores!
Oops!
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gold
Win 50 points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
5
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15
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25
15
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Name 2 words that are like sounds?
Boom, Pop,
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What is air made up of?
Tiny particles called molecules
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What do you mean by vibration?
When the string vibrates the molecules near it, setting out a series of vibrations, till it reaches your ear.
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trap
No points!
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fairy
Take points!
5
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15
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25
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shark
Other team loses 15 points!
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lifesaver
Give 25 points!
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15
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What do you mean by Sound Sources?
Anything that makes a sound
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Does Sound travel in Space? Give reason
No. Space is vacuum. There are no particles in space
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Pluck the string soft, then pluck it hard. What is the difference? Why?
More energy in loud sound, less energy in soft sound
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Name 2 soft sounds
Fridge, AC, A whisper
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When you stop the rubberband when it is vibrating, What happens? Why?
Sound stops, cos vibrations stop
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which part of our ear vibrates and receives the sound?
Ear Drum
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How are Sounds made?
Through Vibrations
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What is Sound?
It is a type of energy
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How does sound move from a bell to your ear?
Sets out a chain reaction of sound molecules from the bell to your ear
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baam
Lose 25 points!
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seesaw
Swap points!
Okay!
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gift
Win 5 points!
Okay!
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lifesaver
Give 10 points!
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