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Observation
Using your five senses to notice and describe the world around you.
Hypothesis
A testable, educated guess that predicts an outcome, often written as an "If… then…" statement.
Experiment
A controlled test designed to see if a prediction is correct.
Variable
Any factor, trait, or condition that can exist in differing amounts or types in an experiment.
Independent Variable
The factor that the scientist intentionally changes on purpose.
Dependent Variable
The factor that a scientist measures or observes to see the results of the experiment.
Controlled Variable (Constant)
The things that must be kept exactly the same throughout an experiment to ensure a fair test.
Data
Facts, measurements, and statistics gathered during an experiment.
Conclusion
A summary statement based on experimental data that states whether the hypothesis was supported or incorrect.
Scientific Method
A structured, step-by-step problem-solving process used by scientists.