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Thicker string produces higher pitch. True or false?
False
Loosen the string makes the pitch lower. True or False?
True
We can make a pitch louder by tightening the string in a string instrument. True or False?
True
Slow vibration makes …. (High/low) pitch.
Low
Fast vibration makes ….. (high/low) pitch.
High
Recorder is a wind instrument. True or False?
True
We play a string instrument by plucking it. True or False?
True
Guitar is an example of wind instrument. True or False?
False
We can measure the sound using ………
Sound level meter
Muffle the sound means make the sound quieter. True or False?
True
In building, we can use …… and ……… to muffle the sound.
Carpet and curtain
We can muffle the sound that we don’t want to hear using …..
Ear defencer
We can make sound louder using …..
Microphone, amplifier, sound system, speaker
Small vibration makes ….. (loud/soft) sound.
Soft
Big vibration makes ….. (loud/soft) sound.
Loud
Weak vibration makes ….. (loud/soft) sound.
Soft
Hard vibration makes ….. (loud/soft) sound.
Loud
Sound travels in …..
Vibration
Vibrations make …..
Sound
Sound is produced when things …..
Vibrate