1) Sound is caused by? a) FORCE b) INTSTRUMENTS c) VIBRATIONS 2) It is pleasant to hear a) noise b) music 3) turn the volume high whenever you're listening to music. a) Never b) Always 4) motor vehicles creates noise pollution a) True b) False 5) Sound is a form of? a) volume b) energy c) pitch 6) We hear sound everywhere. a) Yes b) No 7) device that measures the softness or loudness of sound a) Sound Level Meter b) Ruler c) Weighing scale 8) Some sounds are loud while others are soft a) True b) False 9) Animals can also experience loss of hearing a) True b) False 10) We should use hearing protection. a) Yes b) No

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