| A | B |
|---|
| Boiling Point | the temperature at which a substance changes from a liquid to a gas |
| Gas | a state of matter with no definite shape or volume |
| Liquid | a state of matter that has a definite volume but no definite shape |
| Melting Point | the temperature at which a substance changes from a solid to a liquid |
| Viscosity | a liquid's resistance to flow |
| Matter | anything that has mass and takes up space |
| energy | the ability to do work or cause change |
| substance | a single kind of matter that is pure and has a specific set of properties |
| physical property | a characteristic of a substance that can be observed without changing the substance into something else |
| chemical property | a characteristic of a substance that is observed when a substance interacts with another substance |
| element | any substance that cannot be broken down into simpler substances |
| compound | two or more elements that are chemically combined |
| mixture | two or more elements that are NOT chemically combined |
| physical change | A change that alters the form or appearance of a material but does not make the material into another substance. |
| chemical change | a change in matter that produces one or more new substances |
| weight | A measure of the force of gravity on an object |
| mass | the amount of matter in an object |
| volume | The amount of space that matter occupies |
| density | The measurement of how much mass of a substance is contained in a given volume |
| atom | smallest particle of an element |
| Chemical Bond | the force that holds two atoms together |
| Molecule | a particle made of two or more atoms bonded together |
| Solid | a state of matter that has a definite volume and a definite shape |
| malleability | the ability to bend |
| luster | how shiny a substance is: the ability of a substance to reflect light |
