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**How to Read a Thermometer**

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**A thermometer is an instrument that is used to measure temperature.**

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**The temperature of something tells us how hot or cold something is.**

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**Temperature is measured in degrees.**

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**is the symbol for degrees.**

100 “100 Degrees”

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**Temperature is measured on two scales: Celsius and Fahrenheit.**

37 C 98.6 F

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**“C” is the symbol for the Celsius scale.**

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Let’s count by 2’s… 2, 4, 6, 8, 10, 12…

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**The lines on most thermometers count by two’s.**

102 100 98 96 94 92 90

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**What is the temperature on this thermometer?**

C 100 96 94 92 90 88 C “98 degrees Celsius”

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Try this one. C 90 88 84 82 oC 80 78 76 “86 degrees Celcius”

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**Normal body temperature is 98.6 oF.**

This means it is between 98 and 99 degrees.

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98.6 F This is a decimal point.

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**The temperature is “98 point 6” degrees Fahrenheit.**

96 97 98 99 98.6 oF The temperature is “98 point 6” degrees Fahrenheit.

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**The temperature is “99 point 8” degrees Fahrenheit.**

97 98 99 100 99.8 oF The temperature is “99 point 8” degrees Fahrenheit.

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**Now let’s try it with Celsius**

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**What is the temperature?**

99 100 101 102 What is the temperature? 101.2 oC

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Try this one. 101 102 103 100 oC

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**If the temperature is below freezing, it will be a negative temperature.**

-8 oC Remember… Below zero, you count backwards!

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Try this one... -5 oC

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