Microsoft Word - Unit 3 - Area Measurement.doc
In 1714, Gabriel Fahrenheit invented the mercury thermometer. The imperial unit for measuring temperature is degrees Fahrenheit (°F).
In 1742, Anders Celsius created a Celsius temperature scale. The metric unit for measuring temperature is degrees Celsius (°C). Celsius is based on the freezing temperature of water (0°) and the boiling point of water (100°)
To convert between Celsius and Fahrenheit temperatures, use the formulas:
To convert Celsius in to Fahrenheit To convert Fahrenheit into Celsius
Example 1: Elise wants to bake a pie at 190 °C. To what temperature should Elise set an oven with temperatures in degrees Fahrenheit?
Example 2: Express each temperature, to one decimal place.
a) 38.5 °F = °C b) -32.7 °C = °F
Example 3: The highest recorded temperature in Calgary was 36.1 °C and the lowest recorded temperature was - 47.9 °F. What is the difference in Celsius, to one decimal place?
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