How Thermometers Measure Temperature

The video explains how thermometers work, tracing their history from Galileo's thermoscope to modern designs using alcohol or mercury. It covers the Celsius, Fahrenheit, and Kelvin temperature scales, detailing their origins and differences. The Celsius scale is part of the metric system, while Fahrenheit is mainly used in the US. Kelvin measures absolute temperature, starting at absolute zero.

Explain the difference between Celsius and Fahrenheit scales.

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What is the significance of the Kelvin scale in temperature measurement?

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