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FCAT week 4

nature of science

Controlled Variable a factor or condition in a scientific experiment that is purposefully kept the same
Empirical Evidence information acquired by observation or experimentation. This data is recorded and analyzed by scientists and is a central process as part of the scientific method.
Hypothesis It is a tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.
Law A scientific principle based on many observations of naturally occurring events that demonstrate it to be without exception under certain stated conditions
Model a replica or description designed to show the workings or structure of an object or system
Outcome Variable (Dependent/Responding) a factor, usually being measured or observed, that responds to, or depends on, another factor (test variable)
Repetition Making multiple sets of measurements or observations in a scientific investigation
Replication the reproduction of a scientific investigation by another person to ensure accuracy
Test Variable (Independent/Manipulated) the variable manipulated by the experimenter in order to study changes in the outcome variable
Variable any factor that changes in an experiment, observation, or model
Data information gathered by observations or experimentation that can be used in calculating or reasoning
Observation the process of obtaining information by using the senses
Theory an explanation for some naturally occurring event developed from extensive observations, experimentation, and reasoning
Created by: MsKovalcik



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