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14 Cards in this Set
- Front
- Back
Mater |
All substances that make up the universe. It has mass an volume. |
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Solid |
Has definite shape and volume molecules are tightly packed together |
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liquid |
Has definite volume no definate shape takes the shape of the contaner that its in Molocules can slip and slide past one another |
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Gas |
Has no definite volume nor shape , molecules are spread much farther than in a solid or a liquid |
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heat energy |
a form of energy caused by vibration |
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temperature |
the measurement of how hot a substance is using a scale (Celsius, Fahrenheit, and Kelvin) |
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kinetic energy |
the energy of motion |
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evaporation |
to change from a liquid to gas |
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condensation |
to change from a gas to a liquid |
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boiling point |
the temperature at which a liquid turns into a gas |
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freezing |
the phase change in which a liquid turns into a solid |
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melting |
the phase change in which a solid turns into a liquid |
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melting point |
temperature at which a solid turns into a liquid. The same substance's freezing point |
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freezing point |
temperature at which a liquid turns into a solid. This is the same as a substance's melting point. |