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15
×
Which of the following factors affects the loudness of a sound?
Amplitude
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15
×
Why does a mirror form an image?
light is reflected
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trap
No points!
Oops!
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shark
Other team loses 25 points!
Okay!
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fairy
Take points!
5
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25
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baam
Lose 25 points!
Oops!
15
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Which material allows some light to pass through but not a clear image?
translucent
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15
×
What type of wave requires a medium to travel through?
mechanical wave
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15
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The distance between two consecutive crests or troughs of a wave is called __________
wavelength
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15
×
The highest point of a transverse wave is called ____________
Crest
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15
×
Ultrasound is sound with a frequency higher than _____________
20000 Hz
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boom
Lose 50 points!
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star
Double points!
Okay!
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gift
Win 20 points!
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thief
Give points!
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25
15
×
How is ultrasound used in medical imaging?
It reflects off different tissues to create an image
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