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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 |