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Narure 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 (10)
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
model a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept
experiment n organized procedure to study something under controlled conditions
hypothesis testable idea or explanation that leads to scientific investigation
dependent variable n a scientific investigation, the factor that changes as a 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 (
engineering information gathered by observation or experimentation that can be used in calculating or reasoning (
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 a temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality and on the ability of that body of water to support life
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 he manufacture, transportation, sale, use, and disposal of a technology
Pugh chart a table used to compare the features of multiple items, such as technological products or solutions
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