| A | B |
|---|
| matter | physical material that has mass and occupies space |
| expansion | the increase in the volume of matter that occurs when matter is heated. |
| contraction | decrease in volume of matter when matter is cooled. |
| dissloving | the process that takes place when a solvent is mixed with a solute to make a solution. |
| immiscible | liquids that are unable to dissolve in one another. |
| miscible | liquids are able to dissolve in one another |
| density | the mass of a known volume of a substance; measured in g/cm3 |
| chemical reaction | any change that involves the formation of a new substance; has reactants and products. |
| mass | the amount of matter in an object; measured in grams. |
| volume | the amount of space occupied matter; measured in L, mL , cm3, or m3. |
| burning | a rapid chemical reaction between a substance and a gas (oxidation) that produces heat and light. Most burning or combustion takes place in the air and has oxygen as one of its reactants. |
| solid | a phase or state of matter in which a substance has definite shape and volume. |
| liquid | a state or phase of matter in which a substance has a definite volume but no definite shape. Liquids take the shape of the container they occupy. |
| mixture | two or more elements or compounds that are mixed together but are not chemically combined. |
| physical property | all the characteristic properties of a substance except those that determine how it behaves in a chemical reaction. |
| weight | a measure of the force of gravity. |
| gram | a metric unit used to measure mass |
| characteristic property | an attribute that can be used to help identify a substance; not affected by the mass, volume, or shape of a substance; refers to substances, not objects. |
