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Vocab unit 1
unit one
| vocab word | Definition |
|---|---|
| empirical evidence | The observations, 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 and is supported by a large body of evidence acquired through scientific investigation. |
| law | A descriptive statement of equation that reliably predicts events under certain conditions. |
| experiment | An organized procedure to study something under controlled conditions. |
| hypothesis | A testable explanation that leads to scientific investigation. |
| Dependent variable | In a scientific investigation, the factor that changes as a result is manipulated of one or more independent variables. |
| observation | The process of obtaining information by using senses; the information obtained by 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, representation, or description designed to show the structure or workings of an object, system, or concept. |
| engineering | The application of science and mathematics to solve real-life problems. |
| technology | The application of science for practical purposes ; the use of tools, machines, materials, and processes of 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 engineering design process. |
| life cycle analysis | The evaluation of the materials and energy used for the manufacture, transport, sale, use, and disposal of a technology. |
| pugh chart | A table used to compare the features of multiple items, such as technological products of solutions. |
| risk-benefit analysis | The comparison of the risks and benefits of a decision or product. |