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SCIENCE
physical properties
| 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 no chemically combined |
| solution | one or more substances are dissolved into another substance |
| sifting | smaller materials passing through holes leaving larger materials behind |
| magnetism | a force that pulls on certain objects |
| floatation | the process of using 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 liquid water to water vapor |
| chromatography | a process of separating substances by dissolving them in special liquids |
| solute | the substances that dissolves in a solution |
| solvent | the substance in which the solute is being dissolved |
| concentration | the measure of the amount of solvent |
| rate of solution | the rate of dissolving |
| compound | a type of matter made of a combination of elements |
| pollution | the release of harmful thing into the environment |