1) Sounds are made when objects _______________. a) stay at one place b) vibrate 2) Where does the sound travel the fastest? a) air b) liquid c) solid d) vacuum 3) In solids, the particles are much closer together, and can quickly pass on the vibrations from one particle to the next. a) True b) False 4) Pitch depends on the ___________. a) speed b) strength 5) Why do we hear high-pitched sounds? a) because object vibrates quickly b) because object vibrates slowly 6) Why do we hear low-pitched sounds? a) because object vibrates quickly b) because object vibrates slowly 7) The shortet bar in a xylophone vibrates ____________. a) quickly b) slowly 8) The longest bar in a xylophone vibrates ____________. a) quickly b) slowly 9) When all holes are closed on a clarinet, the tube becomes ______________, producing lower-pitched sound.___________ a) longer b) shorter 10) When all holes are closed on a clarinet, the tube becomes ______________, producing hogher-pitched sound. a) longer b) shorter 11) Shorter strings of a violin produces _________-pitched sounds. a) higher b) lower 12) The volume of sounds can be measured using a ___________. a) calculator b) sound meter c) thermometer d) balance 13) The volume of sounds is measured in the unit ______________. a) cm b) m c) dB d) kg

Sci5_SoundsQuiz

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