Absolute Zero
Definition
Absolute zero is the lowest possible temperature where all molecular motion stops (except quantum fluctuations). It's equal to 0 Kelvin, -273.15 degrees Celsius, or -459.67 degrees Fahrenheit.
Analogy
Picture trying to slow down a group of hyperactive puppies until they're completely still – this would be like reaching absolute zero for molecules!
Related terms
Kelvin: The SI unit of temperature, starting from absolute zero.
Thermometer: A device used to measure temperature.
Quantum Mechanics: The branch of physics dealing with the behavior of particles at the atomic and subatomic level, where energy is quantized.
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