Temperature is a measure of how hot or cold something is; specifically, it's a measure of the average kinetic energy per molecule in an object or system.
Imagine if each molecule was like a tiny bouncing ball. The more they bounce around (higher kinetic energy), the hotter our object or system gets - this 'bounciness' level is what we call temperature!
Kelvin Scale: A thermodynamic temperature scale where absolute zero, the lowest possible temperature, is zero Kelvin.
Heat Transfer: The process by which thermal energy moves from one thing to another thing due to their difference in temperatures.
Thermodynamics: The branch of physics that deals with heat and its relation to other forms of energy and work.
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