What instrument is used to measure air temperature?

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Multiple Choice

What instrument is used to measure air temperature?

Explanation:
Temperature is measured with a device designed to respond to heat in the air. A thermometer is built to sense how hot or cold the surroundings are, using either a liquid that expands with heat or a digital sensor that converts heat into a reading. This directly gives the air temperature. Other tools measure different properties: a barometer tracks atmospheric pressure, a hygrometer measures humidity (moisture in the air), and an anemometer measures wind speed. Those tools aren’t used to read temperature, so the thermometer is the instrument that provides the temperature reading.

Temperature is measured with a device designed to respond to heat in the air. A thermometer is built to sense how hot or cold the surroundings are, using either a liquid that expands with heat or a digital sensor that converts heat into a reading. This directly gives the air temperature.

Other tools measure different properties: a barometer tracks atmospheric pressure, a hygrometer measures humidity (moisture in the air), and an anemometer measures wind speed. Those tools aren’t used to read temperature, so the thermometer is the instrument that provides the temperature reading.

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