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Science Vocab. #2
| Question | Answer |
|---|---|
| physical properties | those that can be seen or measured without being changed into something else |
| mixture | two or more substances that are mixed together but not chemically combined |
| solution | one or more substances are dissolved in another substance |
| sifting | smaller materials pass through holes |
| magnetism | a force that pulls on certain objects |
| flotation | the process of using a liquid to separate materials of different densities |
| filtration | the process of separating solids from liquids by passing a mixture through a filter |
| evaperation | the changing of a liquid water to water vapor |
| chromatography | a process of separating substances by dissolving them in special liquids |
| solute | the substance that dissolves |
| solvent | the substance in which the solute is being dissolved |
| concentration | a measure of the amount of solute compared to the amount of solvent |
| rate of solution | how quickly a solute dissolves |
| compound | a type of matter made of a combination of elements |
| pollution | the release of harmful things into the environment |