Team 1
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Team 2
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Teams
Name
Score
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15
×
A low pitched sound has a ____ frequency.
low
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15
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Instrument to measure the loudness of a sound.
Sound Level Meter
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15
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True or false. Sound can travel in a near-perfect vacuum such as space.
False
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15
×
True or false. Sound travels the fastest in solid medium.
True
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15
×
Give an example of an noise that can reach between 120 dB to 150 dB.
Flying airplane
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20
×
What else vibrates when a source object vibrates?
Air molecules
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eraser
Reset score!
Oops!
×
gold
Win 50 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
15
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What are loud and unpleasant sounds?
Noise/s
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lifesaver
Give 15 points!
Oops!
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gift
Win 15 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 10 points!
Oops!
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trap
No points!
Oops!
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gift
Win 25 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
baam
Lose 25 points!
Oops!
15
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Quiet conversations can reach in between ______ dB.
20dB to 50dB
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15
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Unit for loudness.
Decibels
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15
×
What vibrates when we speak or sing?
Our vocal chords/ vocal chords.
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15
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Measurement used to measure the loudness of a sound.
Sound Level Meter
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15
×
True or false. Sound travels faster in gases than in solids.
False.
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20
×
Correct the sentence. Frequency is the number of high notes in a second.
Frequency is the number of vibrations in a second.
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Review
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