Curious Kids Every Day: A Daily Educational Podcast · Curious Kids Every Day

How Do Thermometers Check Your Temperature?

March 2, 2026·10 min·1 clip

Josh asks whether you'd prefer a fast but inaccurate thermometer or a slow but accurate one, revealing that most parents choose accuracy over speed.

Host Josh explains how different types of thermometers work to measure body temperature, covering glass thermometers with expanding liquids, digital thermometers with thermistors that measure electrical resistance, and infrared forehead thermometers. The episode engages young listeners with interactive quizzes, relatable questions about being sick, and practical explanations of why some thermometers are more accurate than others.

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