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Nature of Science

Unit 1

TermDefinition
empirical evidence the observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanations
theory the explanation for some phenomenon that is based on observation, experimentation, and reasoning; that is supported by a large quantity of evidence; and that does not conflict with any existing experimental results or observations
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 in a scientific investigation, the factor that changes as a result of manipulation of one or more independent variables
independent variable in a scientific investigation, the factor that is deliberately manipulated
data information gathered by observation or experimentation
model a representation or plan 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 giving up of one thing in return for another
risk benefit analysis the comparison of the risks and benefits of a decision or product
life cycle analysis the evaluation of the materials and energy used for the manufacture, transportation, sale, use, and disposal of technology
pugh chart a table used to compare the features of multiple items
observation the process of obtaining information by using the senses; the information obtained by using the senses
Created by: Kesly Sterling
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