Temperature
How hot or cold something is, measured with a thermometer in degrees. On the Celsius scale water freezes at 0 and boils at 100; on the Fahrenheit scale at 32 and 212.
Depth 1 · Foundation
You know that a thermometer shows how hot or cold something is - its liquid goes up when it gets warmer and down when it gets colder - and that water and the ground warm up and cool down slowly.
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- 1
Foundation
You know that a thermometer shows how hot or cold something is - its liquid goes up when it gets warmer and down when it gets colder - and that water and the ground warm up and cool down slowly.
- 2
Deeper
You can read a thermometer in degrees Celsius and know its main marks: water freezes at 0, boils at 100, and your body is about 37.
Master depth 1 first
UnitsA degree is a unit too: a scale needs agreed marks, like any standard. - 3
Connected
You know the Fahrenheit scale, its marks for freezing and boiling water, and roughly how it compares with Celsius.
Master depth 2 first
Where it fits
Nothing — you can start here.
This concept
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