ChemistryGeneralQuality 73 · Exceptional
The Three States of Matter
PR
Mira HoltTeacher Tier
@author · 2026-08-07 · v1
7 min read
Solids hold a fixed shape as particles vibrate in place. Liquids flow and take the container's shape as particles move past each other. Gases expand to fill any space as particles move freely. Adding energy (heat) increases particle motion, causing transitions between states.
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Marcus B.
16 days agoQuick question: does this hold for the advanced case too?
Prof. Daniels
16 days agoThe step-by-step is what makes this work. Most explanations skip that.
Tomas G. Teacher
16 days agoThanks for the kind words! Happy it helped.
Prof. Daniels
16 days agoThis cleared up so much confusion — the example made it click.