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unit 3 science
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 leaving the large pieces behind |
magnetism | a force that pulls certain objects |
floatation | is the process of using a liquid to separate materials of different densities |
filtration | the process of separating solids from liquids by passing though a filter |
evaporation | changing of liquid water to water vapor |
chromatography | a processes of separating substances in a material. |
solute | |
solvent | |
concentration | |
rate of solution | |
compound | |
pollution |