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Nature of Science

Unit 1

TermDefinition
empirical evidence The observations, measurements, and other types of data that people collect 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 by scientific knowledge
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 statement that leads to a scientific investigation
dependent variable 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 value 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 math to solve real-life problems
technology the application of science for practical purposes; the use of tools, machines, materials, and processes to meet our needs
prototype a test model of a product
trad-off the giving up of one thing for another, often applied to the engineering process
risk benefit analysis the comparison of the risks and benefits of a decision or products
Pugh chart 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
Created by: eirini san
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