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nature and science
| Term | 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 evidence acquired through scientific investigation. |
| law | A descriptive statement or equation that reliably predicts events under certain conditions. |
| experiment | An organized porcedure to study something under controlled conditions. |
| hypothesis | A testable idea or explanation that leads to scientific investigation. |
| dependent variable | In a scientific investigation, the factor that changes as result of manipulation of one or more independent variables |
| 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, 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 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 engineering design process. |
| risk benefit analysis | the comparison of the risks and benefits of a decision or product |
| pugh chart | A table used to compare the features of multiple items, such as technological products or solutions. |
| life cycle analysis | The evaluation of the materials and energy used for the manufacture, transportation, sale, use, and disposal of a technology. |