11.1 Temperature

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# 11.1 Temperature - PowerPoint PPT Presentation

11.1 Temperature. What is temperature?. Temperature. hotness or coldness of a material. where the heat should flow higher temperature to lower temperature. Length, Mass, Temperature m = length g = Mass ? = Temperature Fahrenheit Celsius Kelvin. 11.1.1 Temperature Scales.

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Presentation Transcript

### 11.1 Temperature

Temperature
• hotness or coldness of a material.
• where the heat should flow
• higher temperature to lower temperature
Length, Mass, Temperature
• m = length
• g = Mass
• ? = Temperature
• Fahrenheit
• Celsius
• Kelvin
The scientists …

Daniel Gabriel Fahrenheit

Anders Celsius

Lord William Thomson Kelvin

Daniel

Gabriel

Fahrenheit

Example 1

An ordinary room temperature in the Philippines, 26.0°C, in °F?

Solution: Using the formula

then substitute

Example 2

A body temperature of 98.6°F in Celsius?

Solution: Using the formula

then substitute

Example 3

Very cool day in Baguio City, 14.0°C in Kelvin?

Solution: Using the formula

then substitute

Problem:Express normal body temperature, 98.6°F, in °C and K.

SolutionThe Fahrenheit to Celsius conversion equation may be expressed in this form:

To solve for Celsius:

°C = (98.6 °F – 32) x 5/9

°C = (66.6) x 5/9

°C = 37.0

To solve for Kelvin:K = °C +273K = 37.0 + 273K = 310

wew

Answer98.6 °F is equal to 37.0°C and 310 K