How Low Can You Go??. Temperature Scales Nova Temperature: Quantifying Cold 10:17

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Presentation transcript:

How Low Can You Go??

Temperature Scales Nova Temperature: Quantifying Cold 10:17

Temperature Conversion – Celsius to Fahrenheit The metric system uses the Celsius scale to measure temperature. However, temperatures are still measured on the Fahrenheit scale in the U.S.

Water freezes at 0 o Celsius and boils at 100 o Celsius which is a difference of 100 o. Water freezes at 32 o Fahrenheit and boils at 212 o Fahrenheit which is a difference of 180 o. Therefore each degree on the Celsius scale is equal to 180/100 or 9/5 degrees on the Fahrenheit scale.

F = 9/5 * Celsius + 32 This Algebra Formula is a scientist’s best friend!

How to convert Celsius temperatures to Fahrenheit Multiply the Celsius temperature by 9/5. Add 32 o to adjust for the offset in the Fahrenheit scale. Formula: F = 9/5 * Celsius + 32

Example: convert 37 o C to Fahrenheit. 37 * 9/5 = 333/5 = = 98.6 o F

Example We Know: F = 9/5 * Celsius + 32 Given: 100 degrees Celsius Find : F Substitute & Solve Convert 100 degrees Celsius to degrees Fahrenheit.

There is a mental math method to convert from Celsius to Fahrenheit. The ratio of 9/5 is equal to 1.8 and 1.8 is equivalent to

How to convert Celsius temperatures to Fahrenheit with mental math. Double the Celsius temperature (multiply by 2). Take 1/10 of this number (2 * 1/10 = 0.2) and subtract it from the number above. Add 32 o to adjust for the offset in the Fahrenheit scale. Example: convert 37 o C to Fahrenheit. 37 * 2 = * 1/10 = = = 98.6 o F

Example: convert 37 o C to Fahrenheit. 37 * 2 = * 1/10 = = = 98.6 o F