Heat and Temperature quiz
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Which of these is hotter than the surface of the Sun?
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More questions about Heat and Temperature
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Where does the warmth under a duvet come from?
Answer: Your body
Why: Wrap a coat around a snowman and it melts more slowly, because insulation slows heat flow in either direction.
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How do home radiators give off most of their heat?
Answer: Convection
Why: Air warmed by the radiator rises and cooler air flows in below it, so a slow loop carries heat around the room.
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By how much could the heat that melts ice warm the meltwater?
Answer: About 80 °C
Why: That's why ice at 0 °C chills a drink far more than the same weight of 0 °C water: melting soaks up heat first.
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What color are the hottest stars?
Answer: Blue
Why: Red is actually the cool end: red stars sit around 3,000 K, about half the Sun's surface temperature of 5,800 K.
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What did 0 degrees mark on Celsius's original 1742 scale?
Answer: Water's boiling point
Why: On that first version water froze at 100, so a higher reading meant colder, not hotter.
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Which gas has the highest heat capacity per gram?
Answer: Hydrogen
Why: Having the lowest molecular weight gives hydrogen far more individual particles per gram to soak up incoming heat.
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