What Causes the ‘Warmth’ of a Cup of Tea?

Imagine a cup of tea as a cozy blanket. When you hold the cup, it feels warm because heat is moving from the tea to your hands. This happens through tiny invisible particles called molecules, which bounce around and transfer warmth like they're passing on a message.

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Examples

Holding a hot soup bowl warms your hands like a hug.
A cold drink makes your fingers go numb because it takes warmth from them.
Putting your feet near a fire feels cozy because heat moves from the fire to your skin.

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Categories: Physics · heat transfer,thermodynamics,temperature