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10
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What is the highest point of a wave called?
Crest
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15
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What is the unit for frequency?
Hertz
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5
×
Why can't you hear sound in space?
There is no air in space for sound to travel through (no medium)
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15
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Which type of wave does not need a medium to travel through?
electromagnetic
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5
×
____ describes what you actually hear?
loudness
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20
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If a wave goes around something that gets in the way, is that reflection, diffraction, or refraction?
diffraction
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10
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A wave that has compressions and rarefactions is what kind of wave?
Longitudinal
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10
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What causes the refraction of a wave?
density of the medium changing
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15
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If a wave bounces off a surface, is it reflection, diffraction, or refraction?
reflection
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10
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A wave that has crests and troughs is what kind of wave?
Transverse
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5
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If a wave bends because the speed of the wave changes, is that reflection, diffraction, or refraction?
refraction
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seesaw
Swap points!
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rocket
Go to first place!
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fairy
Take points!
5
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25
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banana
Go to last place!
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5
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Waves that need a medium are called ____.
Mechanical
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banana
Go to last place!
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magnet
Take 25 points!
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gift
Win 25 points!
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banana
Go to last place!
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15
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What is being transferred with a wave?
Energy
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thief
Give points!
5
10
15
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25
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 25 points!
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×
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