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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 A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation
law a descriptive statement or equation that reliably predicts under certain conditions
experiment an organized procedure to study something under controlled conditions
hypothesis a testable idea or explanation that leads to a scientific investigation
dependent variable in 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 is deliberatetely manipulated
data information gathered by observation or expirementetion that can be use in calculating or reasoning
model a patern ,plan, reprensetation, or description designed to show the structure or workings of an object ,system or object.
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,matirials ,and processes to meet human needs
Prototype a test model of a product
trade-off the giving up on one thing in return for another, often applied to the engineering design process
life cycle analysis the evaluation of the materials and energy used for the 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
risk-benefit analysis the comparison of the risks and benefits of a decision or product
Created by: Melissa.R
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