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Chapter 1
Characteristics of Science
| Term | Definition |
|---|---|
| Qualitative Observation | An observation that does not involve measurements or numbers |
| Quantitative Observation | An observation that involves numbers or measurements |
| Microscope | A tool that makes small objects appear larger |
| Balance | A tool that measures an object's mass |
| Graduated Cylinder | A tool used to make quantitative observations of the volume of liquids |
| Investigation | A procedure carried out to gather data about an object or event |
| Inquiry | An organized way to gather information and answer questions |
| Experiment | A procedure you carry out under controlled conditions to test a hypothesis |
| Dependent Variable | The factor in an experiment that you measure and that may change because of what you are testing |
| Controlled Variables | The factors in an experiment that remain the same so that the dependent variable can be measured |
| Criteria | The specific qualities that allow you to group items together |
| Classify | To group or organize objects or events into categories, based on criteria that are similar |
| Conclusion | A decision you make, based on information |
| Scientific Method | A series of steps used to plan and carry out an experiment |
| Hypothesis | A testable possible answer to a scientific question |
| Evidence | Information, collected during an investigation, to support a hypothesis |