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51 Cards in this Set
- Front
- Back
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Melting |
the state in change from solid to liquid |
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Freezing |
the state in change from liquid to solid |
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Evaporation |
the process that occurs hen vaporization takes place only at the surface of a liquid |
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Boiling Point |
The point at which a substance changes from liquid to gas. |
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Sublimation |
The state of change direcly from solid to gas |
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Melting Point |
The point at which a substance changes from solid to liquid |
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Vaporization |
The state in change which is a liquid to a gas |
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Boiling |
The process that occurs when vaporization takes place inside a liquid as well on the surface |
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Condensation |
change in state from gas to liquid |
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Solid |
a state of matter that has a definate shape and volume |
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crystalline solid |
solid made up of particles in a regular pattern repeating pattern. |
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amorphous solid |
solid made up of unarranged particles.(not a pattern) |
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liquid |
state of matter without definate shape but a definite volume |
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fluid |
any substance that can flow |
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surface tension |
the result of an inward pull among the molecules of a liquid that brings the molecules closer together. |
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viscosity |
a liquids resistance to flowing |
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gas |
state of matter without a definate shape or volume |
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kinetic energy |
the energy of matter in motion |
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potentional energy |
the energy sn obect has because of its position |
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chemical energy |
a form of potentional energy that is stored in chemical bonds between atoms |
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electromagnetic energy |
a form of energy that travles through space as waves. |
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electrial energy |
the energy of electrically charged particles moving one place to another. |
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electrode |
a metel strip that conducts energy |
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physical change |
a change in a substance that does not change its identity |
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chemical change |
a change in substance that one or more substances break apart to form new substances. |
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law of convirsion of mass |
the principld that the total amount of matter is neither created nordestried during any chemical or pysical change |
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energy |
the ability to work or cause change |
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temperature |
a measure of the average energy of motion of the particles of a substance |
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thermal energy |
the total energy of all the particles of an object |
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endothermic energy |
a change in which energy is taken in |
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exothermic energy |
a change in which energy is given off |
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weight |
the measure of how much of the force of gravity has on an object |
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mass |
the measure of how much matter is in an object |
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international system of units |
the system of units used by scientists to measure the properties of matter |
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volume |
the amount of space that natter occupies |
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density |
the measurement of how much mass of a substance in contained in a given volume |
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matter |
anything that mass and occupies space |
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chemistry |
the study of the proerties of matter and how matter changes. |
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substance |
a single kind of matter that is pure an has a specific set of properties |
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physical change |
a change in which a substance that does not change its identity |
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chemical property |
a characteristic of a pure substance that describes its ability to change into a different substance |
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emelemt |
a pure substance what cannot be broken down any more into a different substance |
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atom |
the basic particle from which all elements are made |
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chemical bond |
the force that holds two atoms together |
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molecule |
a particle made of two or more atoms |
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compund |
a pure substance made of two or more elements chemically combined. |
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chemical formula |
a formula that that gives the elements in a compund a ratio to atoms. |
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mixture |
two or more substances so evenly mixed but not chemicaly combined. |
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heteroguneous mixture |
a mixture that so it is unevenly mixed throughout the mixture |
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homogenous mixture |
a mixture evenly mixed though out the mixture |
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solution |
an example of a homogenous mixture |
