Question | Answer |
volume | measure of the space occupied by an object |
mass | the amount of matter that an object contains |
substance | matter that has a uniform and definite composition |
physical property | a quality of condition of a substance that can be observed or measured without changing the substances composition |
solid | matter that has a definite shape and volume |
liquid | matter that has a definite volume and takes the shape of its container |
gas | matter that takes both the shape and volume of its container |
vapor | gaseous state of a substance that generally exists as a liquid or solid at room temperature |
physical change | a change to a material that does not change its composition |
extensive property | depends on the amount of matter in a sample |
intensive property | depends on the type of matter in a sample |
mixture | a physical blend of two or more components |
heterogeneous mixture | a mixture that is not uniform in composition |
homogeneous mixture | a mixture that has a uniform composition throughout |
solution | another name for a homogeneous mixture, many are liquids some are gases and solids- like stainless steel which is a mixture of iron, chromium and nickel |
phase | any part of a sample that has uniform composition and properties |
distillation | separation of a liquid by boiling followed by condensation |
filtration | a method for separating a solid from a liquid in a heterogeneous mixture |
compound | a substance that contains two or more elements chemically combined |
chemical change | a change that produces matter with different compositions than the original matter |
chemical property | substance that undergos specific chemical changes |
element | simplest form of matter |