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PS NOS

Nature of Science Vocabulary

TermDefinition
science knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested
empirical evidence observations, measurements, and other types of data that scientists gather and test to support and evaluate scientific explanations
observation the process of obtaining information by using the senses; the information obtained by using the senses
hypothesis a testable idea or explanation that leads to scientific discovery
experiment an organized procedure to study something under controlled conditions
data information gathered by observation or experimentation that can be used in calculating or reasoning
inference a conclusion based on an observation
accuracy a description of how close a measurement is to an accepted value
independent variable the variable in an experiment that is manipulated or changed
dependent variable the variable in an experiment that responds to a manipulation or change
control group the parts of an experiment that remain constant or unchanged
quantitative data data that can be represented by the use of numbers
qualitative data data that can be represented by the use of descriptive words
replication performing the same observation or experiment as another scientist to find the same result
repetition performing the same observation or experiment multiple times yourself to confirm a result
scientific 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
scientific law a descriptive statement or equation that reliably predicts events under certain circumstances
engineering the application of science and mathematics to solve real-world problems
technology the application of science for practical purposes; the use of tools, machines, materials, and processes to meet human needs
model a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept; may also be called a prototype
Created by: MrsTabor
 

 



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