SoundJEOPARDY
Sound Energy
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400
500
Too Much Noise!
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500
Play It Again
100
200
300
400
500
I Can’t Hear You
100
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500
Can We Talk?
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500
Can We Talk?100
• The use of echoes to help animals find their way and food is called….
• Echolocation
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Can We Talk? 200
• Any sounds that are too high for humans to hear are called… (hint: machines can send out these high frequency waves and then make a picture of the echoes)
• UltrasoundReturn to board
Can We Talk? 300
• Sounds below the human hearing range are called….. (hint: elephants make sounds this low)• Infrasound
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Can We Talk? 400
• This common household machine turns sound energy into electrical energy and then back to sound again.
• TelephoneReturn to board
Can We Talk? 500
• This device measures how long it takes for an echo to return. It is generally used by submarines and fishing boats to determine the object’s distance.
• SonarReturn to board
I Can’t Hear You100
• This part of the outer ear contains ear wax….
• Ear CanalReturn to board
I Can’t Hear You 200
• Name the 3 small bones of the middle ear….
• Hammer, Anvil, Stirrup
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I Can’t Hear You 300
• A thin, tight membrane that vibrates……..
• Ear Drum
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I Can’t Hear You 400
• This inner ear structure contain fluid which vibrates tiny hair cells….
• CochleaReturn to board
I Can’t Hear You 500
• Which nerve carries electrical signals to the brain?
• Auditory Nerve
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Play It Again100
• A measurement of how high and squeaky or low and deep a sound is….
• pitchReturn to board
Play It Again 200
• A measure of how many compressions pass a certain point every second.
• FrequencyReturn to board
Play It Again 300
• Frequency is measured in a unit called….
• Hertz (Hz)
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Play It Again 400
• The distance from the top, or crest, of one wave to the next is called….
• Wavelength
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Play It Again 500
• As an object making a sound moves, the pitch changes (think of a motorcycle coming toward you, then passing you). This is called…
• Doppler effectReturn to board
Too Much Noise!100
• What well-known kids toy is often used to show how a sound wave moves?
• SlinkyReturn to board
Too Much Noise! 200
• A measure of how loud or soft a sound is. Loud sounds have a lot of energy or …..
• VolumeReturn to board
Too Much Noise! 300
• The height of a sound wave is its ….
• Amplitude Return to board
Too Much Noise! 400
• Volume is measured in …..
• Decibels (dB)
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Too Much Noise! 500
• A machine that turns sound waves into pictures.
• oscilloscope
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Sound Energy300
• Name the 3 substances or mediums that sound can move through…
• Solid, Liquid or GasReturn to board
Sound Energy 400
• The pushed-together part of a wave is called a ….
• Compression
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Sound Energy 500
• Most wave energy travels in up-and-down waves, not like sound waves. These waves like radio, TV, microwaves, and UV waves are called….• Transverse waves Return to board
Sound Energy 100
• Sound energy is caused by back-and-forth shaking movements called….
• VibrationsReturn to board
Sound Energy 200
• Space with nothing in it is known as …… (hint: sound cannot travel through this)
• VacuumReturn to board