Important Vocabulary Words Scientists Should Use
MatterEverything around you! Everything that has mass and takes up space.
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Particles or MoleculesSmall parts we can not see with the naked eye (without the use of a microscope) that make up matter.
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StateA condition or state of matter. Another word for state is "phase."
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The 3 States of Matter
What makes the different states of matter different?
The way the particles or molecules are placed (arranged). Solid particles are placed very close together and they can not move. Liquid molecules are more free and move around a little. Gas particles are completely free and move around very fast away from other molecules.