The Changing Phases of Matter: Understanding Phases of Matter

The video tutorial explains the differences between the states of matter: solids, liquids, gases, and plasma. Solids have a definite shape and volume, with particles closely packed and vibrating in place. Liquids have a definite volume but take the shape of their container, with particles moving more freely. Gases have neither a definite shape nor volume, with particles moving rapidly and filling their container. Plasma, found in stars and lightning, has no definite shape or volume, with particles broken apart. The video uses examples like ice, orange juice, and fluorescent lights to illustrate these concepts.

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