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26 questions
Sound waves travel as ________ waves.
Transverse
Longitudinal
Surface
Sound is made when a source of energy forces the matter around it to __________.
Vibrate
Amplitude
Stay still
Pitch
Sound waves CANNOT travel through which of these:
Paper
Milk
Outer space
Loudness of waves is measured in
Hertz
Decibels
Watts
High frequency sounds have _______ pitch
HIgh
Low
A reflected sound wave is called a(n) ______.
frequency
pitch
echo
rarefaction
Dolphins and bats create sound waves that reflect off objects during...
Echolocation
Transverse
Doppler Effect
Longitudinal
What is resonance?
When two objects vibrate at the same frequency producing a louder sound.
When two objects vibrate at different frequencies and cancel out their sounds.
On a stringed instrument, the shorter the string the ________ the frequency and pitch.
higher
lower
same
Looking at this pan flute, which tube would have the lowest pitch?
1
2
5
6
Which would be examples of resonance? CHOOSE TWO!
the string of a guitar vibrating the soundbox
a sound wave reflecting off a surface
a wine glass vibrating with your finger to make a sound
a sound wave decreasing energy as it travels through air
Look at the image. Which instrument would have the highest pitch?
Guitar
Tenor
Concert
Soprano
Look at the image. Which instrument would have the lowest pitch?
guitar
tenor
concert
soprano
Which one would have a higher pitch?
Tightening the string of a guitar, making it vibrate higher frequency
Loosening the string of a guitar, making it vibrate lower frequency
Which string would have a lower pitch on a guitar?
A thin string that vibrates quickly
A thick string that vibrates slowly
Which statements are correct? (Choose 2)
frequency = loud or quiet
frequency = high or low pitch
amplitude = loud or quiet
amplitude = high or low pitch
Which wave is low pitch?
blue
red
Which wave is louder?
green
red
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