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25 Cards in this Set
- Front
- Back
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Change of State |
the conversion of a substance from one physical form to another |
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Gas |
the state in which matter changes in both shape and volume |
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States of Matter |
the physical forms in which a substance can exist |
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Boiling |
vaporization that occurs throughout a liquid |
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Liquid |
the state in which matter takes the shape of in's container and has definite volume |
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Solid |
the state in which matter has a definite shape and volume |
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Condensation |
the change from a gas to a liquid |
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Melting |
the change of state form a solid to a liquid |
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Sublimation |
the change of state from a solid directly into a gas |
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Evaporation |
vaporization that occurs at the surface of a liquid below its boiling point |
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Plasma |
the state of matter that does not have a definite shape or volume and particles have broken |
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Vaporization |
the change of state from a liquid to a gas |
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Freezing |
the change of a state from a liquid to a solid |
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Pressure |
the amount of force exerted on a given area |
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Arrangement and motion of particles in a solid |
Very close together, regular arrangement, vibrate
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Arrangement and motion of particles in a liquid |
Close together, random arrangement, slide past eachother |
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Arrangement and motion of particles in a gas |
Far apart, random arrangement, moves quickly in all directions |
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Arrangement and motion of particles in plasma |
Far apart, random arrangement, broken into ions, move extremely fast in all directions |
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Energy of the states of matter |
Solid: Low energy Liquid: Medium energy Gas: High energy Plasma: Extremely high energy |
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Compressibility of the states of matter |
solid: not compressible liquid: not compressible gas: highly compressible Plasma: highly compressible |
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What type of change is a change if state? |
Physical Change |
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What type of properties are freezing points, melting points, etc.? |
Characteristic Properties |
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Endothermic Change |
A change that occurs when energy is absorbed |
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Exothermic Change |
A change that occurs when energy is released |
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What does the particle theory of matter state? |
-Matter consists of atoms -Atoms and molecules are always in motion and bumping into each other -State of matter of a substance depends on: how the particles are arranged, how attracted the particles are to each other, how fast the particles move, how much energy they have |
