Particle Motion and Heat
Middle School Science · Flashcards · Recall
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
What change in particle motion best represents heating a liquid (no phase change)?
QUESTION
Which state of matter has particles that move freely and are far apart?
QUESTION
What particle-level change best explains expansion when a substance is heated?
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ANSWER
Particles move faster and spread farther apart on average. Faster motion increases average particle separation, causing expansion.
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