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Mixtures!
| Question | Answer |
|---|---|
| What are combinations of two or more substances in which the substances keep their own properties? | Mixtures |
| A ________ is a mixture made of parts that separates upon standing. | suspension |
| Oil and water is an example of a | suspension |
| After sand gets stirred into water it eventually ___________to the bottom. | settles. Which makes it a suspension. |
| What can be used to separate a suspension? | Filter or liquids can layer themselves due to different densities. |
| How do you separate a solution? | Evaporation |
| How do you separate an alloy? | Melting -Metals have different melting points. |
| A combination of metals is called an | alloy |
| What separates a mixture of ink? | chromatography |
| When a solute dissolves into a solvent and it is the same throughout this mixture is a | solution |
| salt water is a | solution |
| Salt in saltwater is the | solute |
| Water in saltwater is the | solvent |
| Bronze or jewelry is an example of an | alloy |
| Gold or silver-pure or mixture? | Pure! |
| Neon-pure or mixture? | pure |
| Oxygen-pure or mixture? | pure |
| Salt-insoluble or soluble? | soluble |
| Soluble means an item can be | dissolved |
| If an item is insoluble it can... | not be dissolved |
| Koolaid powder is the______in a solution. | solute |
| Iron filings and sand can be separated by a | magnet |
| Steel screws and aluminum screws can be separated by a | a magnet |
| Water and oil would be homogeneous or heterogeneous? | heterogeneous |
| Coffee grounds suspended in water can be separated by a | filter |
| Sugar water can be separated by | evaporation |
| Sand and marbles can be separated by _____size. What tool would be good to be used to separate? | particle strainer |
| A mixture is a _____________________ | physical change |
| A _____ change is a change of size, shape, or state without forming a new substance. | physical |
| Pepper and water and oil and water would be examples of a | suspension |
| Chromatography is a process to separate | ink. |
| A mixture can be separated by solubility. True or False? | True-one part can dissolve with water and the other part not dissolve. |