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science

matter & particles

QuestionAnswer
What is matter? Anything that has mass and occupies space.
How are particles arranged in a solid? very close together in fixed proportions
How do particles in a gas move? Rapidly and randomly in all directions.
What happens to particles when a substance is heated? They gain energy and move faster.
what is diffusion The net movement of particles from a region of high concentration to low concentration.
What is the change from liquid → gas called? Evaporation.
What is the change from gas → liquid called? A: Condensation.
Created by: user-2061624
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