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Investigation 1
Question | Answer |
---|---|
Mixture | two or more materials mixed together |
Property | A characteristic of an object that you can observe |
Solution | A special mixture formed when a material dissolves in water |
Evaporation | When a liquid turns into gas leaving dissolved materials behind |
Dissolving | A process where the first material seems to disappear |
Crystal | A solid material that can be identified by its shape or pattern |
Compare and contrast mixtures and solutions | Mixtures can be separated by screen or filter paper. Solutions can be separated by evaporation for the water it is in. They both can be separated |
Identify substances as mixtures and solutions | Mixture you can see in water when a solution you can not |
Give the chemical name for salt | NaCl |
Explain two ways to obtain salt | Dig it up from the ground or boil the liquid it is in |
Explain how to separate salt from salt and water solutions | You have to let the water vaporate |