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Solid

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3 States of Matter for Kids (Solid, Liquid, Gas): Science for Children - FreeSchool

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Doing Solids: Crash Course Chemistry #33

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C005 Particles - solid liquid gas

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We Found Another State of Matter: The Supersolid!

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Is Glass Really A Solid?

Solid is one of the four fundamental states of matter. In solids molecules are closely packed. It is characterized by structural rigidity and resistance to changes of shape or volume. Unlike a liquid, a solid object does not flow to take on the shape of its container, nor does it expand to fill the entire volume available to it like a gas does. The atoms in a solid are tightly bound to each other, either in a regular geometric lattice or irregularly. Solids cannot be compressed with little pressure whereas gases can be compressed with little pressure because in gases molecules are loosely packed.
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