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Phase Changes Worksheet with Answers, Exercises of Chemistry

Kinetic theory of matter, phases of matter which are solid, liquid and solid.

Typology: Exercises

2020/2021
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Uploaded on 04/20/2021

ekaram
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Phase Changes Worksheet Name Important Things to Know - Do Not Skip Over these 2 Sections READ and REMEMBER Kinetic Theory of Matter: Molecules are always moving. This is known as the kinetic theory of matter. We measure this kinetic energy with a thermometer as temperature. The greater the material's internal energy, the higher the temperature of that material. Heat is the energy flow between objects of different temperature. Heat and temperature are NOT the same. Brownian motion describes how visible particles are seen moving due to invisible molecules bumping into them. Phases of Matter: Solid ° Liquid Gas matter that has definite volume and shape. The molecules are packed together tightly and move slowly. matter that has definite volume but not shape. Since the molecules of a liquid are loosely packed and move with greater speed, a liquid can flow and spread. matter that has indefinite volume or shape. Molecules of a gas are so loosely arranged and move so rapidly that they will fill their container, Phase Change Descriptions: Melting the change from to Freezing the change from to Evaporation the change from to Condensation the change from to Sublimation the change from to Deposition the change from to