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Nature of Science
Unit 1
| Term | Definition |
|---|---|
| empirical evidence | The observation measurements , and other types of data that people gather and test to support and evaluate scientific explanations. |
| theory | A system of ideas that explains many related observations ad is supported by a large body of evidence acquired though scientific investigations. |
| law | A descriptive statement or equation that reliably predicts events under certain conditions. |
| experiment | An organized procedure to study something under controlled conditions. |
| hypothesis | A testable idea or explanation that leads to scientific investigation. |
| dependent variable | Ina scientific investigation, the factor that changes as a result of manipulation of one or more independent variable. |
| observation | The process of obtaining information by using the senses; the information obtained by using the senses. |
| independent variable | In a scientific investigation, the factor that is deliberately manipulated. |
| data | Information gathered by observation or experimentation that can be used in calculating or reasoning. |
| model | A pattern plan, repersentation or descripition disgigned to show the stucture of workings of an object, system, or concept. |
| engineering | The application of science and mathamatics to solve real-life problems. |
| technology | The application of science for practical purposes;the use of tools; machines, materials, and processes to meet human needs. |
| Prototype | A test model of a product. |
| trade-off | The giving up of one thing in return for another, often applied to the enginnering design proccess. |
| life cycle analysis | The evaluation of the materials and energy used for the manufacture, transportation, sale, use, and disposal of a technology. |
| pugh chart | A table use to compare the features of multiple idems, such as technoligical products or solutions. |
| risk-benefit analysis | The comparision of the risks and benefits of a decision or product. |