In a solid the particles are very ____ together. When the solid is compressed the ____ cannot move any closer so the volume does not change. In a ____ the particles are close together. When the liquid is compressed the particles ____ move any closer so the ____ does not change. In a gas the particles are very ____ apart. When the gas is compressed the particles can move ____ so the volume decreases. When the compression force is removed, the particles move apart again and the gas goes back to its original volume.

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