Chemistry / Unit 1 Chem 0022 short lesson, about 20 seconds
Solid
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The idea
A solid is a state of matter with a definite shape and a volume nearly independent of pressure.
In practice
An ice cube keeps its shape and size whether it sits in a bowl or on a plate.
Where people slip
A solid holding its shape is not the same as being incompressible — its volume only stays nearly fixed under ordinary pressures.
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