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Intro to Phy Sci
Term | Definition |
---|---|
Constant | A factor that remains fixed during an experiment while the independent and dependent variables change; controlled variable |
Control group | In a controlled experiment, the group not receiving the factor being tested; the standard to compare to. |
Data | Quantitative or qualitative information gained from scientific investigation. |
Dependent variable | Factor being measured in a controlled experiment; its value changes because of the changes to the Independent variable. |
Experiment | Procedure performed in a controlled setting to test a hypothesis and collect precise data. |
Experimental group | In a controlled experiment, the group receiving the factor being tested. |
Hypothesis | Testable explanation of a situation. |
Independent variable | The one factor that can be changed in a controlled experiment; is the factor tested and affects the experimental outcome. |
Metric system | Measurement system whose divisions are powers of ten. |
Science | A body of knowledge based on the study of nature |
Scientific Method | A series of problem-solving procedures that might include observations, forming a hypothesis, experimenting, analyzing data and drawing conclusions. |
SI | System of measurements used by scientists, abbreviation of the International System of Units. |
Theory | Explanation of a natural phenomenon based on many observations and investigations over time. |