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Why does a helium balloon defy gravity? |
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Which planet is the closest one to us? |
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What would a helium balloon experience if it was let go? |
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Why is it easier to ride a bike downhill than uphill? |
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How does depth affect hydrostatic pressure? |
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How do windmills work? |
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How do solar panels work? |
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How do water power plants work? |
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Why do most snowflakes have repeating patterns in 6's? |
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Is perpetual motion possible? |
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How cold would a popsicle need to be if eating it would consume more energy than eating it would release? |
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Why does the climate on the equator involve a lot of rainfall? |
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How much money do you save in a year if you sweep the floor of your shower area after a shower? |
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By how much would the ocean surface level rise if all polar ice melted? |
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Why do we have annually repeating seasons? |
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Find the rate of change in mass [[$\Delta m$]] of a bunsen burner change relative the rate of change in temperature [[$\Delta T$]] of water heated by it? |
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How does facial recognition in modern smartphones work? |
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Considering that it is impossible to exit a black hole after entering it, how is it possible that black holes radiate energy? |
