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nature of science

Unit 1

TermDefinition
empirical evidence all the measurements and data scientists gather in support of a scientific explanation.
theory a well supported explanation of nature.
law a description of a specific relationship under given conditions in the natural world.
experiment a organized procedure to study something under controlled conditions.
hypothesis a testable idea or explanation that leads to scientific investigation.
dependent variable or outcome variable, is the factor that changes as a result of manipulation of one or more independent variables.
data is information gathered by observation or experimention that can be used in calculating or reasoning.
model can be visual or mathematical reprsesentation of an object or system.
engineering is the use of scientific and mathematical knowledge to solve practical problems.
technology includes the use of tools, materials, or processes to meet human needs.
prototype a special model built to test a product.
trade-off means accepting risks in exchange for benefits or giving up one benefit to gain another.
life cycle analysis is an evaluation of the materials and energy used for manufacture, transportation, sale,use, and disposal of a product .
Pugh chart is a table used to compare the features of multiple items.
risk-benefit analysis it compares the risks or unfavorable effects, to the benefits, or favorable effects, of a decision or technology.
observation
independent variable
 

 



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