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WorksheetsTHE ABSORPTION AND REFLECTION OF SOUND
Total questions: 15
Worksheet time: 33mins
What is a medium?
Why sound travels
What sound travels through
Sound can travel through....
solids
liquids
gases
all of the above
Sound must have a medium to travel through.
True
False
A high frequency will have a _________ pitch.
low
high
What is a periodic back and forth motion that transmits energy?
Wave
Amplitude
Frequency
What is the portion in the wave where the particles are spread out?
Crest
Rarefaction
Trough
Wavelength
What is the length of a single wave?
Frequency
Wavelength
Velocity
What is the main factor affecting the speed of sound in air?
temperature of the air
temperature of the sound
density of the air
frequency of the sound
What is a sound heard distinctly after being reflected from some object?
Echo
Pitch
Note
Volume is measured in decibles and means how ___________ or __________ a sound is.
highness or lowness
loud or soft
fast or slow
A sound wave cannot travel through.........
Solid
Liquid
Gas
Outer Space
Dirt
Why would a recording studio have this on the walls?
It does a great job of reflecting sounds.
It does a great job of absorbing sounds.
It creates awesome echoes.
Which of the following materials would be the best for absorbing sound?
Metal
Wood
Carpet
Match the following
Some materials, like pillows or carpets, soak up sound instead of letting it bounce around
Absorption
That's because the sound waves are bouncing off the walls and coming back to your ears.
Reflection
A sound that repeats because it bounces off a surface and comes back to your ears.
ECHO
The pattern of movement created by vibrations.
Wave
When something moves back and forth quickly.
Vibrate
Vibrations travel through the air in waves, kind of like ripples in water when you throw a stone. These waves are what we hear as (a) .
