| A | B |
|---|
| balance | A tool that measures the amount of matter in an object. |
| experiment | A procedure carried out under controlled conditions to test a hypothesis. |
| inquiry | An organized way to gather information and answer questions. |
| investigation | A procedure carried out to gather data about an object or event. |
| microscope | A tool that makes objects appear larger. |
| scientific method | A series of steps that scientists use when performing an experiment. |
| density | The measure of how closely packed matter is in an object. |
| gas | The state of matter that does not have a definite shape or volume. |
| liquid | The state of matter that has a definite volume but no definite shape. |
| mass | the amount of mass in an object |
