| A | B |
|---|
| physical property | can be measured or detected by the senses |
| melting point | the temperature at which a solid substance changes to a liquid |
| conductivity | the ability of a material to carry energy |
| formula for density | density = mass/volume |
| chemical reaction | a specific example of one or more chemical changes |
| Conservation of Matter | states that when matter changes, mass is always conserved |
| heterogeneous mixture | a mixture in which the materials are distributed unevenly |
| volume of rectangular solid | length x width x height |
| chemical change | a change in matter in which new matter is formed |
| catalyst | something that speeds up a chemical reaction, but is not changed during it |
| solution | a homogeneous mixture |
| solvent | substance that dissolves the solute in a solution |
| solute | substance that is dissolved in a solution |
| what properties are used for | to describe, identify, and classify matter |
| how to separate a solution | use the properties of the mixed materials |
| chemical property | the ability of a material to change its chemical makeup |
| indications of a chemical change | change in color; giving off of energy |
| homogeneous mixture | a mixture that is uniform throughout |
| when a substance will change state | melting or boiling point |
| physical changes | cutting, dissolving, freezing |
| chemical changes | rusting, baking muffin batter, photosynthesis, glow stick, milk & vinegar mixture |
| alloys | brass, bronze, sterling silver, steel |
| sterling silver | silver + copper |
| brass | copper + zinc |
| bronze | copper + tin |
| steel | iron + carbon |
| melting point & freezing point | points that are the same for a given substance |
