Media Summary: Why do we need a thermometer? Can't we just use our finger to check which substance is hotter or colder? Let's find out! If you're American, you're familiar with the Fahrenheit scale, so 30 degrees is cold and 100 degrees is hot. But in the rest of the ... Description: Discover the effects of heat on matter! Learn about phase changes, reversibility, and thermal expansion with real-life ...
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Measuring Temperature Middle School Physics Khan Academy - Detailed Analysis

Why do we need a thermometer? Can't we just use our finger to check which substance is hotter or colder? Let's find out! If you're American, you're familiar with the Fahrenheit scale, so 30 degrees is cold and 100 degrees is hot. But in the rest of the ... Description: Discover the effects of heat on matter! Learn about phase changes, reversibility, and thermal expansion with real-life ... Created by Ryan Scott Patton. Watch the next lesson: ...

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