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science-feldmann
| Question | Answer |
|---|---|
| Matter- | anything that takes up space |
| saftey of chemicals | if you get some in your eye(s), go to the eye wash sink and wash for 15 to 20 minutes |
| element | most basic substance; cannot be broken down into any other substance |
| Kinetic Theory of Matter | All Particles of matter are in constant motion |
| solid | has definite shape and volume particles vibrate in place, closely packed arrangment |
| liquid | has definite volume but no shape, particles move freely, |
| crystalline solid | particles from a regular, repeating pattern-melts when heated |
| amorphous solid | particles are not arranged in a specific pattern- does not melt but may become softer or change when heated |
| surface tension | attractions of molecules at the liquids surface creating an inward pull. |
| viscosity | resistance to flowing by a liquid |
| gas | no definite shape or volume, particles are fluid, as they move they fill available space. |
| melting point | point at which a solid transforms to liquid; usually the same as the freezing point |
| freezing point | point at which a liquid transforms to a solid- usually the same as the melting point |
| Vaporization |