USEFUL AND HARMFUL SOUND
Presentation
•
Science
•
4th Grade
•
Easy
VIAVINTHY Moe
Used 10+ times
FREE Resource
14 Slides • 12 Questions
1
USEFUL AND HARMFUL SOUND
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Poll
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Open Ended
Why do you like listening to the music? Type your reason.
4
Open Ended
Why you don't like the sound that comes from the drilling? Type your reason.
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Look for the sound that is exceeding 85dB
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Multiple Choice
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Multiple Choice
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Multiple Select
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Open Ended
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Multiple Select
15
Poll
How do you feel when your surrounding is too noisy?
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airport ground staff use ear protectors to prevent ear damage from excessive aircraft noise
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many types of ear protectors
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Use sound absorbers such as soft boards
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Use curtains as sound absorber.
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Use carpets as sound absorber.
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Room with many windows can reduce sound vibration.
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Plant trees as sound barriers to reduce noise pollution from the passing vehicles.
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Open Ended
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Multiple Select
26
Poll
USEFUL AND HARMFUL SOUND
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