When a liquid releases enough energy, the liquid will freeze and turn into a solid.
Phase changes are what causes one state of matter to turn into another. All phase changes are physical changes. Phase changes occur because of changes in the amount of kinetic energy obtained by the particles that make up a substance. Kinetic energy is the energy of movement. Kinetic energy can be gained or lost by the particles.
As kinetic energy is lost to the environment, particles slow down. The particles come closer together. Volume decreases and the shape of the substance becomes more definitive. Freezing, condensation, and deposition are caused by the loss of kinetic energy.
As kinetic energy is gained, particles begin to move apart. When this occurs, a substance’s volume increases and shape is lost. Melting, evaporation, and sublimation occur due to increasing amounts of kinetic energy.
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