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5th - Chapter 10 A
Book definitions of vocabulary from chapter 10, lessons one and two
| Term | Definition |
|---|---|
| physical change | alters the form of a substance without changing what type of matter it is. |
| sublimation | the change in state directly from solid to gas |
| melting point | the temperature at which a substance melts |
| boiling point | the temperature at which a substance boils |
| freezing point | the temperature at which something freezes |
| thermal expansion | the increase in an object's volume due to a change in heat |
| thermal contraction | the decrease in an objects volume due to a change in heat |
| mixture | a physical combination of substances |
| colloid | a mixture like a suspension, except its contents do not settle |
| solution | a mixture with parts that blend so that it looks the same everywhere, even under a microscope |
| solute | the smaller amount that is dissolved in a solution |
| solvent | the larger amount that dissolves the other substance in a solution |
| alloy | a solution of metal and another solid |
| solubility | the maximum amount of a solute that can dissolve in a solvent |
| distillation | the process of separating liquids by evaporation and condensation |