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Lesson 7 of 9

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One number for hot or cold. Read it right, and that is the whole idea.

Temperature and its Measurement — the six ideas, in one table
IdeaRemember
A number for hotWarmed liquid expands and climbs the tube on its own.
Reading the scaleDifference between two labels, divided by the gaps, is one mark's worth.
The clinical thermometerA short range, about 35 °C to 42 °C. The reading holds until a shake.
The laboratory thermometerA wide range, about −10 °C to 110 °C. Range decides what it reads.
Using it wellBulb fully in. Wait to read. Keep away from flames. Tell an adult if it breaks.
Everyday temperaturesSubtract the smaller from the bigger. Count up across zero first.

Now open Chapter 7, Temperature and its Measurement. You tried every idea here first.