Ask an Explainer
Q:
How can air be a fluid if it's a gas? Aren't fluids liquid?
A:
While liquids are fluids, fluids are not necessarily liquids! Fluids are a subset of the phases of matter and include liquids, gasses, and plasmas. These are all fluids because they do not have a definite shape and instead take the shape of their container.
Posted on March 3, 2014 at 12:28 pm
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