
Inside a Popcorn Kernel, There's a Tiny Pressure Cooker Waiting to Explode
Why does popcorn suddenly expand when heated? Toss a bag of popcorn kernels in the microwave and a few minutes…
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Looking for quiz questions with answers? This collection brings together popular questions, surprising trivia, and quick tests on everything from history and science to movies, sports, geography, and everyday facts.

Why does popcorn suddenly expand when heated? Toss a bag of popcorn kernels in the microwave and a few minutes…
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What gives blue cheese its distinctive blue-green veins? Cut into a wedge of blue cheese and the first thing that…
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Which spice was once valuable enough in Europe to be used almost like currency? There was a period in European…
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Why does cutting an onion often cause tears? Nobody sets out to cry while making dinner, yet chopping a single…
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Which fruit has tiny flowers hidden inside what most people think of as the fruit itself? Cut open a fig…
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Which insect communicates the location of food through a distinctive dancing pattern? Somewhere inside a beehive, a forager bee returns…
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Which animal uses stones as tools to break open hard-shelled food? Most people picture tool use as a distinctly human,…
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Which bird can remember thousands of locations where it has hidden food? Somewhere in the mountain forests of the American…
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What unusual property allows some materials to return to their original shape after being bent? Take a paperclip and bend…
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Why can a large ship made of steel float while a small steel object can sink? Drop a steel nail…
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