Rise or Sink?
“Heat rises,” people say — but heat is energy, not a thing that floats. Warm air rises because heating makes it less dense, so the cooler, denser air sinks and pushes it up. Predict what each pocket of air will do, then reveal why.
“Heat rises,” people say — but heat is energy, not a thing that floats. Warm air rises because heating makes it less dense, so the cooler, denser air sinks and pushes it up. Predict what each pocket of air will do, then reveal why.
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