Questions and Answers
What is the process in which a gas changes to a liquid called?
Condensation
What is the opposite of sublimation?
Deposition
What is the process called when a liquid turns into a gas?
Evaporation
What is the process in which a liquid changes to a solid called?
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What is the process in which a solid changes to a liquid called?
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What is the process called when a solid changes directly to a gas?
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How is temperature defined in terms of kinetic energy?
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What is the process in which a liquid boils and changes to a gas called?
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Study Notes
Changes of State
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Condensation: The transition of a gas into a liquid, releasing energy in the process.
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Deposition: The phase change where substances transition from a gas directly to a solid, reversing the process of sublimation.
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Evaporation: A process where liquid molecules gain enough energy to enter the gas phase, occurring at any temperature below boiling.
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Freezing: The transformation of a liquid into a solid through the loss of heat, resulting in decreased molecular movement.
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Melting: The phase change where a solid absorbs heat and becomes a liquid, characterized by increased molecular movement.
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Sublimation: A direct conversion of a solid to a gas without passing through the liquid phase, often observed with substances like dry ice.
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Temperature: Measured by a thermometer, it indicates the average kinetic energy of particles in a substance, affecting the state of matter.
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Vaporization: The boiling process where a liquid converts to a gas, occurring at the boiling point and involving the absorption of energy.
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Test your understanding of the different changes of state in matter with these flashcards. Each card features a term related to phase changes, such as condensation, evaporation, and freezing. Perfect for students learning about physical science and the principles of thermodynamics.
