1) What is number 1? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 2) What is number 2? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 3) What is number 3? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 4) Which of the following is NOT a type of mechanical wave? a) transverse waves b) surface waves c) longitudinal waves d) light waves 5) What is number 4? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 6) What is number 5? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 7) What is number 6? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 8) What is number 7? a) crest b) trough c) amplitude d) wavelength e) compression f) rarefaction 9) Mechanical waves can travel through ___. a) space (a vacuum) b) a medium c) both space and a medium 10) Which wave is longitudinal? a) A b) B c) both d) neither 11) Which wave is transverse? a) A b) B c) both d) neither 12) Higher frequency = ________. a) higher pitch b) lower pitch c) louder volume d) softer volume 13) Smaller amplitude = ________. a) higher pitch b) lower pitch c) louder volume d) softer volume 14) Bigger amplitude = ________. a) higher pitch b) lower pitch c) louder volume d) softer volume 15) Lower frequency = ________. a) higher pitch b) lower pitch c) louder volume d) softer volume

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