Sound is caused by vibrations that travel through the air. These vibrations can cause other things to vibrate, too. We hear sound with our sense of hearing
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What is the difference between loud and quiet?
Loud is a strong vibration and we can hear it easier than quiet sounds. A weak vibration makes a quiet sound
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What does repeating mean?
Something that happens again and again. Such as beeping a horn again and again
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What does continuous mean?
A sound that continues without stopping, like someone on the drums
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Tell me 3 things which are solids?
Bricks, coins, rocks, wood
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What is gas?
Gases don't have shape and fill any space like air
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What is pitch?
Whether a noise sounds high or low
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Can you change your pitch?
Have a go
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Can you change the volume of your voice?
Have a go
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What other words are like fainter?
Quieter, weaker, muffled
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Give me 3 examples of quiet noises?
Clock ticking, whispers, wind,
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Give me 3 examples of loud noises?
Dog barking, bells, door slamming, car horns
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Which was does sound travel?
Sideways
All directions
Up
Down
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Can loud sound hurt our ears?
Yes
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Which is louder leaves rustling or the washing machine?
Washing machine
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We measure sound in decibels. Decibels can also be written as