1) Sound travels in ________ waves. a) transverse b) gnarly c) compression 2) Sound waves are transmitted through the _________ of matter. a) sound b) vibration c) reflection 3) Which is NOT a part of a sound wave? a) crest b) compression c) rarefaction 4) Sound waves require _______ in order to be transmitted. a) matter b) light c) ears 5) Which type of matter transmits sound the best? a) gas b) liquid c) solid 6) The amplitude of a wave is associated with ______. a) pitch b) volume c) wavelenght 7) Animals such as dolphins and bats use ___________ to hear what is around them. a) pitch b) echolocation c) frequency 8) The number of waves that move past a certain point in a second is ______________. a) wavelengths b) amplitude c) frequency 9) The lower the frequency, the ______ the pitch. a) lower b) higher c) quieter 10) Light and sound are both forms of ________. a) matter b) energy c) experimental design 11) Light travels in _____________. a) a straight pathway b) all directions c) light doesn't travel 12) The measurement from crest to crest is called the ______________. a) reflection b) compression c) wavelength 13) All of the colors on the color spectrum mixed together are called _________. a) white light b) ultraviolet light c) black 14) Refraction happens when light is ________ and _________. a) gathered and combined b) bent and combined c) bent and separated 15) Light bouncing off objects is a result of ________. a) refraction b) rarefaction c) reflection 16) Refraction happens because the speed of the light wave changes when it enters ________. a) water b) solids c) gas 17) The light is almost completely transmitted or allowed to pass through a ________ object. a) transparent b) translucent c) opaque 18) Some light is transmitted through ______ objects. a) transparent b) translucent c) opaque 19) Opaque objects do not transmit light. Instead, light is either reflected or ______. a) refracted b) absorbed c) bent 20) The color in the visible light spectrum with the most energy is _________. a) violet b) red c) yellow 21) The __________ the wavelength, the _____________ energy. a) shorter, less b) longer, more c) shorter, more

Light and Sound Unit Review

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