write an experiment on contraction of a solid substance due to heat
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Answer:
When liquids are heated, their particles move around more, pushing each other apart slightly, causing the liquid to expand.
As with solids, the amount of increase in volume depends on the type of liquid, but in general, liquids expand more than solids when heated.
This is because the particles in liquids are not held in a fixed arrangement, as they are in solids, so this increased freedom of movement results in greater expansion.
As with solids, the expansion and contraction of liquids needs to be allowed for in certain situations.
For example, car radiators are connected to an overflow tank to allow for the expansion of coolant as it is heated by the engine.
There are also practical applications of thermal expansion of liquids, such as thermometers.
Since liquids expand and contract by predictable amounts based on their temperature, the change in volume of the alcohol in a thermometer tube can be used to give a measure of the temperature
Explanation: