1) What is a wave? a) a disturbance that moves energy b) motion of water c) back and forth movement d) kinetic energy shifts 2) What do most waves need in order to move? a) cold b) heat c) a force d) a medium 3) Select the medium for waves in this situation: someone pushing dominoes falling down a) air b) the dominoes  c) the hand pushing them d) the table 4) Select the medium for waves in this situation: Two people talking. a) Their mouths b) The air around them c) The people d) There is no medium 5) What is a crest? a) The bottom of a wave b) A toothpaste brand c) The top of a wave d) The middle of a wave 6) What is the term for the lowest point of the wave? a) Trough b) Cave c) Crest d) Amplitude 7) How can we measure wavelength? a) From one crest to the next b) From one trough to the next c) The distance between the crest and the trough d) The distance from the center of the wave to the top 8) What is a wave's amplitude? a) The distance from the crest to the trough b) The distance from one trough to the next c) The height of a wave from the center line to the crest d) The distance from one crest to the next 9) What is frequency? a) How fast a wave moves b) The number of waves that pass a point each second c) How small or big a wave is d) How many waves there are 10) If wavelength is large, then we should expect frequency to be...  a) Large b) Small 11) If frequency is large, we should expect wavelength to be... a) Small b) Large 12) What is B in this diagram? a) Wavelength b) Crest c) Amplitude d) Trough 13) What is D in this diagram? a) Wavelength b) Amplitude c) Crest d) Trough 14) What is A in this diagram? a) Wavelength b) Crest c) Amplitude d) Trough 15) What is C in this diagram? a) Crest b) Trough c) Wavelength d) Amplitude 16) What can electromagnetic energy transfer? a) Kinetic Energy b) Magnetic Energy c) Electrical energy d) Thermal Energy 17) Electromagnetic waves do NOT need a medium to transfer. a) True b) False 18) Which of the following has the longest wavelength? a) Radio waves b) Microwaves c) X-rays d) Gamma Rays e) Visible light f) Ultra Violet 19) Which of the following has the shortest wavelength? a) Visible light b) Infrared c) Gamma Rays d) Microwaves 20) Longer wavelengths are associated with.... a) lower frequency b) lower energy c) faster speed d) higher frequency 21) Higher frequencies are associated with... a) High energy b) slower speed c) longer wavelengths d) short wavelengths 22) Which EM Waves are used to show heat? a) Visible b) Gamma c) Infrared d) Ultraviolet 23) Which 3 EM waves is sunlight made up of? a) Infrared, Visible, UV b) Visible, Gamma, X-rays c) Infrared, UV, Gamma d) UV, Gamma, Visible 24) Which EM wave can kill germs? a) Gamma b) UV c) Infrared d) X-rays 25) Which waves can help treat illnesses? a) Gamma b) UV c) Infrared d) X-rays 26) Which waves can help us see bones? a) Gamma b) UV c) Infrared d) X-rays 27) Which waves broadcast signals? a) Radio b) Microwave c) Gamma d) X-rays 28) Which waves are used in cell phones? a) Radio b) Microwave c) Gamma d) X-rays

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