Bianco's Unwanted Sounds - RAK 6th Grade | Baamboozle - Baamboozle

English 29 Public

https://www.youtube.com/watch?v=zAn5b6UpPpI + Source book

Study Slideshow

What is noise?

c) Harmonious melody

d) Silence

b) Unpleasant or unwanted sound

a) Pleasant sound

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What caution is advised regarding ears?

b) Push objects inside for cleaning

a) Clean them with cotton swabs daily

c) Avoid pushing anything inside

d) Use water to clean them regularly

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What part of the ear catches sound waves?

a) Inner ear

b) Middle ear

d) Ear canal

c) Outer ear

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What happens when sound waves reach the eardrum?

d) Dampen

c) Vibrate

a) Disperse

b) Amplify

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What is used to protect ears from loud noises?

a) Ear defenders

b) Earphones

c) Cotton swabs

d) Earplugs

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Why are jet airplanes not allowed to take off or land during the night in some areas?

c) To reduce noise disturbance

b) To prevent air pollution

d) To facilitate travel schedules

a) To conserve fuel

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What purpose do silencers serve in vehicles?

d) Decrease fuel efficiency

b) Amplify exhaust sounds

c) Muffle engine noise

a) Increase engine noise

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How do double-glazed windows help reduce noise?

b) By muffling noise

d) By increasing sound transmission

a) By amplifying noise

c) By reflecting sound waves

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What type of flooring tends to make rooms quieter?

c) Carpet

b) Tile

a) Hardwood

d) Linoleum

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What materials are used to dampen noise between rooms in buildings?

c) Plastic foam

a) Wood

b) Metal

d) Glass

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How is the loudness of a sound typically measured?

d) In meters (m)

c) In watts (W)

b) In hertz (Hz)

a) In decibels (db)

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What is the approximate sound energy level of a whisper?

b) 40 decibels

d) 80 decibels

c) 60 decibels

a) 20 decibels

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Which sound is likely to produce the highest decibel level?

a) Whisper

c) Jet aircraft

d) Personal stereo music

b) Normal talking

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How are sound waves quantified in terms of loudness?

c) Wavelength

a) Frequency

b) Amplitude

d) Velocity

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What is the primary misconception about decibels?

c) They measure wavelength

a) They measure frequency

b) They measure loudness

d) They measure velocity

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What do decibels actually measure?

b) Amplitude

a) Frequency

c) Wavelength

d) Velocity

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