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What do you notice about the Celsius and Fahrenheit readings as the temperature falls from the boiling to the freezing point of water?
You could use a graphical method...
You could try an algebraic approach...
Temperature
Age 11 to 14
Challenge Level 
What do you notice about the Celsius and Fahrenheit readings as the temperature falls from the boiling to the freezing point of water?
You could use a graphical method...
You could try an algebraic approach...
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