https://www.khanacademy.org/science/cambridge-o-level-physics-cie/x0e04e0cb682fb793:kinetic-particle-model-of-matter/x0e04e0cb682fb793:states-of-matter/v/states-of-matter-ms 2025-02-13T17:59:34.347326855Z States of matter Matter exists in three main states: solids, liquids, and gases, each with unique particle arrangements and behaviors. Particles range from being tightly packed, with a definite shape and volume, to moving freely, with no fixed shape or volume. Understanding these states of matter helps us see why solids are rigid, liquids flow, and gases expand to fill spaces. Mahesh Shenoy video https://cdn.kastatic.org/ka_thumbnails_cache/cb816a21-25af-4ceb-9bcd-1a5bf80fc572_1280_720_base.png States of matter Matter exists in three main states: solids, liquids, and gases, each with unique particle arrangements and behaviors. Particles range from being tightly packed, with a definite shape and volume, to moving freely, with no fixed shape or volume. Understanding these states of matter helps us see why solids are rigid, liquids flow, and gases expand to fill spaces. https://cdn.kastatic.org/ka-youtube-converted/gBiF-OLUVTY.mp4/gBiF-OLUVTY.mp4 269 Particulate Nature of Matter https://www.khanacademy.org/science/od-science-class-8-revision-term-1/xda08a8a5103044e1:week-4/xda08a8a5103044e1:particulate-nature-of-matter/e/revision-understand-states-of-matter 2026-08-07T11:20:58.434105105Z Revision: Understand: States of matter Lets answer some questions. Shankar R exercise https://www.khanacademy.org/science/od-science-class-8-revision-term-1/xda08a8a5103044e1:week-4/xda08a8a5103044e1:particulate-nature-of-matter/e/revision-states-of-matter 2026-08-07T11:20:58.434105105Z Revision:States of matter Lets answer some questions. Shankar R exercise https://www.khanacademy.org/science/shs-physical-science/x0492729e402f0c6b:unit-1-name/x0492729e402f0c6b:intermolecular-forces-of-attraction/a/intramolecular-and-intermolecular-forces 2021-04-29T08:00:41Z Intramolecular and intermolecular forces article