Recognize that matter is composed of discrete units called atoms and atoms are composed of sub-atomic particles called protons, neutrons, and electrons. Solid is the state in which intermolecular attractions keep the molecules in fixed spatial relationships. Liquid is the state in which intermolecular attractions keep molecules in proximity, but not in fixed relationships. Gas is the state in which molecules are comparatively separated and intermolecular attractions have relatively little effect on their respective motions.
Florida Standards Connections: MAFS.K12.MP.4: Model with mathematics.
By the end of this tutorial you should be able to sequence a series of diagrams to create a model of a substance transitioning from a solid state to a liquid state.
6, 7, 8
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