Unit 1 Science, Technology, and Engineering Lesson 3 Scientific Investigations
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9 Terms
Experiment
An organized procedure to study something under controlled conditions
Observation
is the process of getting information by using the senses
Hypothesis
is an idea or explanation that can be tested and that leads to a scientific investigation
Variable
is any factor that can change in a scientific investigation
Independent Variable
is the factor that is deliberately changes in an investigation
Dependent Variable
the variable that changes as a result of changes to the independent variable; measurable
Data
are information or measurements gathered by experimentation that can be used in calculation or reasoning
Control
is a part of an investigation that is identical to the experimental group except that the independent variable is not manipulated; it is used as a comparison
Constants
the factors in an experiment that stay the same; they do NOT change
