Transcript Sound Jeopardy

Sound
JEOPARDY
Play It I Can’t
Again Hear You
Sound
Energy
Too Much
Noise!
Can We
Talk?
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
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)
•
Ultrasound
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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.
• Telephone
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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.
•
Sonar
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I Can’t Hear You
100
• This part of the outer ear
contains ear wax….
• Ear Canal
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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….
• Cochlea
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I Can’t Hear You
500
• Which nerve carries electrical
signals to the brain?
• Auditory Nerve
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Play It Again
100
• A measurement of how high
and squeaky or low and deep a
sound is….
• pitch
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Play It Again
200
• A measure of how many
compressions pass a certain point
every second.
• Frequency
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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 effect
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Too Much Noise!
100
• What well-known kids toy is
often used to show how a sound
wave moves?
• Slinky
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Too Much Noise!
200
• A measure of how loud or soft
a sound is. Loud sounds have a
lot of energy or …..
• Volume
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Too Much Noise!
300
• The height of a sound wave is
its ….
• Amplitude
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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 Energy
300
• Name the 3 substances or
mediums that sound can move
through…
• Solid, Liquid or Gas
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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 upand-down waves, not like sound
waves. These waves like radio, TV,
microwaves, and UV waves are
called….
• Transverse waves
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Sound Energy
100
• Sound energy is caused by
back-and-forth shaking
movements called….
• Vibrations
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Sound Energy
200
• Space with nothing in it is
known as …… (hint: sound
cannot travel through this)
• Vacuum
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