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15
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Who discovered the microwave oven by accident?
Percy Spencer
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Okay!
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banana
Go to last place!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 10 points!
Okay!
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thief
Give points!
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25
15
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What year was the first commercial microwave oven released?
1947
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15
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What do magnetrons produce?
Microwaves
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What company was Spencer working for during his discovery?
Raytheon
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15
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Why does metal reflect microwaves?
Because of free-moving electrons
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eraser
Reset score!
Oops!
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magnet
Take 25 points!
Okay!
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fairy
Take points!
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25
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baam
Lose 20 points!
Oops!
15
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What food exploded during one of his tests?
An egg
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15
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What melted in Spencerâs pocket during the experiment?
A chocolate bar
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Okay!
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boom
Lose 50 points!
Oops!
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fairy
Take points!
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25
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rocket
Go to first place!
Okay!
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lifesaver
Give 25 points!
Oops!
15
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What scientific principle allows microwaves to heat food?
Microwaves make water molecules vibrate, creating heat
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15
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What food did he test after the chocolate melted?
Popcorn
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Okay!
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thief
Give points!
5
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25
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shark
Other team loses 25 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
15
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What did Spencer build to safely contain microwave energy?
A metal box (prototype microwave oven)
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What was the first food he intentionally cooked?
Popcorn
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Okay!
Check
15
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Why were early microwaves not popular?
They were huge and expensive
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