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Q1 Week 4 Phases

Q1 Week 4 Phase Changes to Matter

QuestionAnswer
A phase change is the reversible ______ change that occurs when a substance changes from one state of matter to another. physical
Melting, freezing, vaporization, condensation, ________ , and deposition are the six phase changes. sublimation
The ______ of a substance does not change during a phase change. temperature
______ is either absorbed or released during a phase change. Energy
During an ______ change, the system absorbs energy from its surroundings. endothermic
Freezing is an example of an _____ change. exothermic
The arrangement of ______ in a substance becomes less orderly as the substance melts and more orderly as the substance freezes. molecules
What type of crystal does water form when it freezes? hexagon
the change of state from a solid to a liquid melting
the temperature at which a solid turns to a liquid melting point
the change of state from a liquid to a solid freezing
the change of state from a liquid to a vapor (gas) vaporization
Vaporization can occur in two ways: _____ and boiling. evaporation
the slow form of vaporization in which liquid particles gain enough energy to change to a gas. This always takes place on the surface of the liquid evaporation
the phase change in which a substance changes from a gas (vapor) to a liquid condensation
the change in state directly from a solid to a gas (vapor) without melting first sublimation
When a gas or vapor changes directly into a solid without first changing to a liquid. deposition
Created by: user-1727869
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