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===Meaning===
'''State of matter''' means whether a [[material]] is [[solid]], [[liquid]] or [[gas]].
===About States of Matter===
: Solids hold their shape if you leave them alone. They do not flow. They also keep the same size even if you squash them they might get longer, but they also get thinner keeping the same size overall.
: Liquids cannot hold their shape, but the fit the shape of the container. Liquids can be poured and will flow. They also keep the same size. If you pour water into different shaped containers the water will not spread out or fit in a smaller space.
: Gases cannot hold their shape. They fit the shape of their container. Gases can be poured and will flow. They can spread out and can be squashed into a smaller space. They change size to fit the size of their container.