1) Why is the outer ear shaped like it is? a) To amplify the sound in the ear canal b) To channel the sound the sound to the ear canal c) To increase our hearing range d) To hold sunglasses on our heads 2) How does sound travel? a) Through particle vibration b) As a wave c) Through solids, liquids and gases d) All of the above 3) What do we use sonar for? a) To look for shoals of fish b) To help submarines navigate c) To detect objects underwater d) All of the above 4) What do we call sound above our hearing range? a) Infrasound b) Uber sound c) Ultra sound d) Above sound 5) What effect does frequency have on sound? a) Alters the volume b) Alters the pitch c) Alters the amplitude 6) What is the normal hearing range for a human? a) 20Hz to 20kHz b) 1Hz to 100Hz c) 20MHz to 20GHz d) 100Hz to 100kHz e) None of the above 7) What are the dangers of in-ear headphones? a) They don't block out background noise b) User plays music too loud c) Prolonged use can damage hearing d) All of the above 8) What connects the ear drum to cochlea? a) The ear canal b) A thin membrane c) The three ear bones d) Eustachian Tube 9) Which two animals use echo location? a) Dolphin and Bat b) Elephant and monkey c) Snake and Squirrel d) Cat and Dog 10) What do we call sound that is below our hearing range? a) Ultra sound b) Uber sound c) Under sound d) Infra sound 11) What carries electrical impules from the cochlea to the brain? a) Ear nerve b) Hearing nerve c) Sound nerve d) Auditory Nerve 12) If a wave has 60 cycles per minute how many Hertz is this? a) 60 Hertz b) 6 Hertz c) 1 Hertz d) 10 Hertz 13) Can we hear sound in a vacuum? a) Yes, if it's loud enough b) Yes if its high enough frequency c) No d) Only on a sunday 14) What effect does amplitude have on sound? a) Alters the pitch b) Alters the Volume c) Alters the wavelenght 15) What are our names? a) Mr Smith and Miss Tindel b) Miss Taylor and Mr Shellard c) Mr Manners and Miss Terry d) Miss Conway and Mr Drew

Sound quiz

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