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Worksheetssound
Total questions: 20
Worksheet time: 17mins
Sound is a form of energy produced by ______________.
Vibrations
Distances
Prisms
Forces
Sound waves travel the FASTEST through _____________.
Gases
Liquids
Solids
Which device measures sound waves?
Oscilloscope
Stethoscope
Radio
None of the above
____________ is determined by sound's frequency
Compression
Pitch
______________ sounds have a larger amplitude
Quiet
Loud
What is this?
Ear Drum
Ear Canal
Nerve
Cochlea
In which medium sound can't travel?
solid
liquid
gas
vacuum
In which medium speed of sound are fastest?
vacuum
solid
liquid
gas
What is the range of frequencies audible to the human ear
lower than 20 Hz
20 Hz - 20.000 Hz
higher than 20.000 Hz
0 Hz - infinite Hz
What is ultrasound?
Sound with a frequency higher than 20.000 Hz
Sound with a frequency lower than 20 Hz
Sound with a frequency 20 Hz
sound with a frequency 20.000 Hz
Area of a sound wave where particles are apart
Compression
Rarefaction
SI unit of Frequency is
m/sec
Hertz
metre
Decibel
SI unit of time period is
nanosecond
minute
hour
second
The speed of sound in solids is the speed of sound in liquids.
same as
greater than
less than
sometimes greater and sometimes smaller
Sound waves do not travel through
Gases
Liquids
Solids
Vacuum
The voice box is called:
Mouth
Larynx
Stapes
Incus
