2. Using what you know of particle motion in solids, liquids, and gases, explain why you think temperature changes affect a substance's state of matter. Use the terms particle motion, temperature, solid, liquid, and gas in your answer.

Explanation:

Temperature changes have significant impact on the physical states of matter and it drives most physical changes and even the chemical alteration occurring to substances.

When the temperature of substance increases, the particle's average kinetic energy increases. The average kinetic energy of the particles is the component heat resident within a body. As this energy increases, for solids, their particles in fixed lattices breaks free and begins move. Further increase in the temperature will cause a motion which leads to flowing of the particles on top of one another. This eventually culminates in bond breaking and hence gases forms. When heat is removed, the reverse process is what is ensues.

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