1) Can sound be heard in a vacuum? a) No b) Sometimes c) Yes d) Only in space 2) What type of wave is sound? a) Transverse b) Longitudinal c) Electromagnetic d) Surface 3) Speed of sound in solids? a) Slow b) Fast c) Very slow d) Same in all 4) Speed of sound in gases? a) Very slow b) Fast c) Same in all d) Very fast 5) Speed of sound in liquids? a) Same in all b) Very slow c) Fast d) Slow 6) Does sound require a medium? a) Sometimes b) Only in air c) Yes d) No 7) Sound waves are? a) Transverse b) Longitudinal c) Circular d) Random 8) Can sound travel through space? a) Yes b) No c) Sometimes d) Only in vacuum

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