1) _________ depends on the energy and intensity of the sound wave. a) pitch b) amplitude c) loudness d) my headache 2) ___________ depends on frequency. a) tardiness to class b) pitch c) density d) sonar 3) _______ refers to sound that is not pleasing to the ear. a) noise b) crying c) decibels d) pitch 4) ______ stands for sound navigation and ranging and this type of system uses reflected sound waves to determine the location of objects under the ocean.  a) sonar b) Nemo c) radar d) sonogram 5) _________________ refers to the use of sound waves to locate things. a) sonar b) ultrasound c) find my iPhone d) echolocation 6) Sound travels slower in materials with a higher _______________. a) price b) volume c) crest d) density 7) _____________ travels through mediums as longitudinal/compression waves. a) light b) sound c) sonar d) a sawblade 8) _____________ refers to notes arranged in a pattern that create pleasing sounds to hear. a) ultrasound b) a teacher's voice c) music d) loudness 9) The phenomenon called the ______________ occurs when the source of the sound is moving and the pitch ends up changing when being received. a) sonar b) doppler effect c) rap music d) echolocation 10) _____________ are sounds above the range of human hearing. a) ultrasounds b) pitch c) alarm clocks d) loudness 11) A ____________ is the picture generated when ultrasounds are used to view an unborn baby or diagnose a medical condition. a) YouTube video b) sonar c) doppler effect d) sonogram 12) Loudness is measured in units called __________. a) decibels b) Hertz c) Kelvin d) waves 13) Animals like dolphins and bats use ____________ to catch prey and find their way around. a) nets and maps b) sonar c) diffraction d) echolocation

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