Is Object A at 40 degrees Celsius twice as hot as Object B at 20 degrees Celsius?
A. Yes
B. No
Why do frozen water pipes burst?
Would a mercury thermometer break if it were cooled below the freezing point of mercury (-39 degrees C)?
A. Yes
B. No
Many kinds of automobiles have cast iron cylinders and aluminum pistons.
What kind of problems might result if the engine got too hot?