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Sound Waves
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Sound Waves
The more dense the liquid, the
more slow the speed of sound
more fast the speed of sound
more distance covered by the sound
less distance covered by the sound
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Sound Waves
Loud noise can
damage our ears
make us ill
disturb our sleep
interrupt conversation
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Sound Waves
Notes are put together to produce a pleasing sound known as
noise
pitch
music
phase
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Sound Waves
Bats use ultrasound to find its
home
predator
prey
baby
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Sound Waves
Sound is carried to our ears through
pressure
vibrations
temperature effect
humidity effect
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Sound Waves
A hand bell stimulates the
movement of air particles
collision of air particles
vibration of air particles
energy of air particles
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Sound Waves
The loss of sound energy depends on
the density of an object
the matter it is passing through
energy level of sound
resistance in a matter
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Sound Waves
Sound travels more fast in
air
liquids
solids
all of above
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Sound Waves
The organs of a human that detect sounds are
eyes
ears
feet
hands
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Sound Waves
Two similar string instruments are
piano and guitar
piano and violin
guitar and violin
harp and piano
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