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15
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What are the three primary colours?
Blue, Red, Yellow
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heart
Other team wins 20 points!
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rocket
Go to first place!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
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What is the relationship between angle of incidence and angle of refraction?
They are not equal, but when you increase angle of incidence, the light refracts more, so higher angle of refraction
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25
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What happens to light when it goes from a gas through a solid?
Denser medium, slows down, changes direction (refraction)
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15
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Derek the raver goes to a disco wearing blue trainers, what colour do they look in blue light? Why?
Blue, blue objects reflect blue light
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15
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Wood is an example of which type of surface?
Translucent
Opaque
Transparent
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15
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Which wave on the EM spectrum can be used in thermal cameras to identify people in the dark?
Infrared
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thief
Give points!
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fairy
Take points!
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fairy
Take points!
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thief
Give points!
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15
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What happens to light when it hits a translucent surface?
Rays of light are scattered, only some passes through
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trap
No points!
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gold
Win 50 points!
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shark
Other team loses 20 points!
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thief
Give points!
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25
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lifesaver
Give 10 points!
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rocket
Go to first place!
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fairy
Take points!
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25
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banana
Go to last place!
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15
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Which wave on the EM spectrum has the highest energy?
Gamma
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15
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What is 'r'?
Angle of reflection
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15
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Name one property of a mirror image
Appears to be behind mirror/correct way up/inverted
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15
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Which waves on the EM spectrum have a longer wavelength than Infrared?
Radio and microwaves
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15
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What is the law of reflection?
The law of reflection states that: angle of incidence i = angle of reflection r.
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