1 Measuring temperatures Measuring temperatures Actually measuring sensible Actually measuring sensible heat transfer heat transfer Can be measured as Kelvins, Can be measured as Kelvins, degrees Celsius, or degrees degrees Celsius, or degrees Fahrenheit Fahrenheit
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1 Measuring temperatures Actually measuring sensible heat transfer Actually measuring sensible heat transfer Can be measured as Kelvins, degrees Celsius,
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Can be measured as Kelvins, Can be measured as Kelvins, degrees Celsius, or degrees degrees Celsius, or degrees FahrenheitFahrenheit
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FahrenheitFahrenheit
Developed in the early 1800’s by Developed in the early 1800’s by Daniel G. FahrenheitDaniel G. Fahrenheit Coldest temperature measured was set Coldest temperature measured was set
to O°Fto O°F Approximate temperature of the human Approximate temperature of the human
body was 100°Fbody was 100°F Melting point of ice became 32°FMelting point of ice became 32°F Boiling point of water became 212°fBoiling point of water became 212°f
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CelsiusCelsius
Also developed in the early 1700’s Also developed in the early 1700’s this time by Anders Celsiusthis time by Anders Celsius
Placed the freezing point of water at Placed the freezing point of water at 0°0°CC
Placed the boiling point of water at Placed the boiling point of water at 100°100°CC
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FAHRENHEIT TO CELSIUS FAHRENHEIT TO CELSIUS AND VICE VERSAAND VICE VERSA
CELSIUS TO FAHRENHEITCELSIUS TO FAHRENHEIT TAKE °C THEN MULTIPLY BY 1.8 AND TAKE °C THEN MULTIPLY BY 1.8 AND
ADD 32ADD 32
FAHRENHEIT TO CELSIUS FAHRENHEIT TO CELSIUS TAKE °F SUBTRACT 32 THEN DIVIDE TAKE °F SUBTRACT 32 THEN DIVIDE
BY 1.8BY 1.8
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Temperature controlsTemperature controls
LatitudeLatitude AltitudeAltitude Cloud coverCloud cover Land water heating differencesLand water heating differences
Reduce the amount of insolation reaching Reduce the amount of insolation reaching the Earth’s surfacethe Earth’s surface Lowers daytime temperaturesLowers daytime temperatures KEEPS NIGHT TEMPERATURES MODERATEKEEPS NIGHT TEMPERATURES MODERATE
Prevents longwave radiation from being Prevents longwave radiation from being lost to spacelost to space