| Question | Answer |
|---|---|
| evaporation is… | the change from liquid water to water vapor |
| filtration is… | the process of separating substances with a filter |
| a mixture is… | a combination of two or more substances |
| condensation is… | the process of a gas changing into a liquid |
| Substances in a mixture can be ___________________. | separated |
| Mixtures are not __________________ combined. | chemically |
| Each substance in a mixture keeps its own _______________ | properties |
| Properties of the substances in a mixture can be used to … | separate them from each other. |
| Four properties to separate a mixture include … | magnetism, filtration, evaporation, and condensation. |
| a magnet can be used to separate substances that are … | attracted to magnets |
| filtration can be used to separate… | some solids from liquids and big objects from small objects |
|
lowering the temperature of the gas causes… |
condensation |
| raising the temperature of liquid causes… | evaporation |
|
In a solution, one or more substances are… |
dissolved in another substance. |
| The most common kind of solution is a solid dissolved in a … | liquid, such as salt in water. |
|
In a solution, the substance that is dissolved is called the… |
solute. |
| A solvent is the substance that takes in, or ___________, the other substance. | dissolves |
| Usually, there is more ____________ than solute. | solvent |
|
A solution does not have to be a _____________ |
liquid. |
| The air you breathe is a solution made up of _____________ (oxygen, nitrogen, argon, water vapor). | gases |
| The steel used for buildings and cars is a solution of two _________ (carbon and iron). | solids |
| Solubility is the ability of one substance to… | dissolve in another substance. |
| Solubility is a measure of the amount of a substance that will… | dissolve in another substance. |
| The solubility of materials can be _______solubility or ____solubility. | high / low |
| Heating the solvent or crushing the solute can ___________ ____ the process of dissolving a substance. | speed up |
