5. The particles in a solid that is melting move farther and farther apart because A. the particles have more energy and bump into each other more often. B. the particles slow down. C. the particles begin to lose their shape. D. the particles repel each other more intensely.
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ANSWER:
Heat makes the particles in a solid vibrate faster, giving them more kinetic energy. Faster-vibrating particles bump into one another more often and hit each other harder. ... When matter gets hot, its particles gain kinetic energy. The increased kinetic energy pushes the particles farther apart.
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Answer:
(a) the particles have more energy and bump into each other more often.
Explanation:
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