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what we perceive as “temperature

 Sun over mountains

what we perceive as “temperature” actually refers to atomic movement. On a hot day, for example, solar energy excites the atoms in the Earth’s atmosphere to vibrate rapidly. This vibration carries energy which is transferred to our skin, making us feel warm. Similarly, "cold" atoms are those that move less. It's not that heat makes atoms move; it's that atom movement is heat.

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