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25
×
How does light travel through fiber-optic cables?
The light bounces along the inside strands of glass.
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baam
Lose 25 points!
Oops!
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fairy
Take points!
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25
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shark
Other team loses 25 points!
Okay!
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thief
Give points!
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25
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eraser
Reset score!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
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25
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baam
Lose 20 points!
Oops!
25
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What is the first line of defense your skin cells have and what does it do?
Melanin: Absorbs UV light
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25
×
What happened to the red cube when the light directed at it?
The light was transmitted or passed through
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25
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How do sound waves move?
They travel through matter, as vibrations
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25
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What is energy?
The ability to make things move or change
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25
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What is one type of light that doesn't reach the Earthâs surface?
Gamma rays or X-ray
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trap
No points!
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gold
Win 50 points!
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fairy
Take points!
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25
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thief
Give points!
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25
25
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What type of waves carry more energy Radio or Gamma?
Gamma
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25
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What is it called when energy from light goes into an object?
It is absorb.
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25
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True or False: Light travels through a straight line.
True
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25
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Fill in the blank: The light was ______ off the mirror.
reflected
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25
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What happens to the skin cells when a person has skin cancer?
The genetic material gets damaged
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25
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What has a longer wavelength A or B?
B
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25
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What are fiber-optic cables made of?
reflective glass
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