Stupid Science.
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Created by:
92109forever on October 29, 2011
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24 terms
Terms | Definitions |
|---|---|
 Solid | Definite shapes, Definite Volume, low energy |
| Solid | Definite volume because the particles are vibrating around a fixed location. |
| Liquid | Definite volume, No definite shape, medium energy. |
| Liquid | Takes the shape of its container because particles can flow to new locations. Volume is constant because of the laws of attraction. |
| Gas | No definite shape, No definite Volume, High energy |
| Gas | Forces of attraction are very weak. |
| Kinetic Energy | Faster the movement=higher energy= higher temperature |
| Kinetic Theory | All particles of matter are in constant motion. |
| Absolute Zero | Zero degrees Kelvin where all motion stops |
| Phase Change | reverside, physical change occurs when a substance changes from one state of matter to another. |
| What does not change during a phase change? | Temperature |
| Energy is either _______ or _______ during a phase change? | Released or absorbed |
| What are the six common phase changes? | Melting, freezing, vaporization, condensation, deposition, and sublimation. |
| Endo=? | inside |
| Thermic=? | heat |
| Melting point: | Temperature at which a solid turns into a liquid : water 0*c |
| Heat of Fusion: | The amount of energy in Joules needed to make a substance melt. |
| Vaporization: | Liquid to gas. |
| Boiling point: | the temp. at which a liquid turns into a gas :water 100*c |
| Heat of vaporization: | Amount of energy needed to vaporize a material. |
| Evaporation: | Takes places at the surface of a liquid when its at room temperature, which is below the boiling point. |
| Exo=? | outside |
| Thermic=? | heat |
| Freezing: | Liquid to Solid. |
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