Video: Reading the Temperature from a Given Thermometer

What temperature is shown?

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Video Transcript

What temperature is shown?

A thermometer like this one is filled with a liquid like mercury. As the temperature around the bottom bulb heats up, the liquid rises in the tube. We look to the height of the liquid to determine the temperature outside.

In this case, the temperature has risen to 80 degrees Celsius. Whatever the thermometer is measuring is currently at 80 degrees Celsius.

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