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Prop of Matter KJM
Marquis-PNHS-Prop of Matter Vocab
| Question | Answer |
|---|---|
| element | A substance that can't be broken down into a simpler substance. |
| matter | Anything that takes up space and has mass. |
| compound | A substance that is made from two or more simpler substances and can be broken down into those simpler substances. |
| pure substance | Matter that always has exactly the same composition; an element or compound. |
| atom | The smallest particle of an element. |
| heterogeneous mixture | A type of mixture in which the parts of the mixture are noticeably different from one another. |
| homogeneous mixture | A type of mixture in which the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another. |
| solution | A mixture that forms when substances dissolve and form a homogeneous mixture. |
| suspension | A heterogeneous mixture that separates into layers over time. |
| colloid | A mixture that contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension. |
| physical property | Any characteristic of a material that can be observed or measured without changing the compostition of the substances in the material. |
| viscosity | The tendancy of a liquid to keep from flowing; resistance to flowing. |
| conductivity | A material's ability to allow heat or electric charges to flow. |
| malleability | The ability of a solid to be hammered without shattering. |
| melting point | The temperature at which a substance changes from a solid to a liquid. |
| boiling point | The temperature at which a substance boils; the temperature at which vapor pressure is equal to atmospheric pressure. |
| filtration | A process that seperates materials based on the size of their particles. |
| distillation | A process that separates the substances in a solution based on their boiling points. |
| physical change | A change that occurs when some properties of a material change, but the substances in the material stay the same. |