Choosing the right thermometer

This task is about choosing the best thermometer to use in different situations.
Why is this important to be able to do? When we are measuring something in science we often need to be accurate so we can make good decisions.

 

Here are three different thermometers, A, B and C.

Question

Water boils at 100°C.

Which thermometer would be the best to use to measure if water is boiling?

Question

The normal body temperature of a human is about 37ºC.

If we have a fever the temperature may be a few degrees higher.

Which thermometer would be best to use to measure body temperature?

Question

Which thermometer has the smallest range?

Question

three thermometers

Which of these temperatures could you measure on all three thermometers?

    • 25ºC

    • 35ºC

    • 45ºC

    • 55ºC

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