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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 |