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Variables
Identifying variables in a scientific investigation
| Question | Answer |
|---|---|
| Variables | things in an experiment that can change and may affect the outcome of the experiment |
| Independent Variables | The one thing you deliberately manipulated, changed or tested for the purpose of the investigation. |
| Dependent Variables | variables that respond as a result of manipulating on or more independent variable; often what is measured or recorded in an experiment. |
| Independent Variable | also known as the Manipulated Variable |
| Dependent Variable | also known as the Responding variable |
| Controlled Variables | All the variables that a scientist wants to remain constant or stay the same throughout the investigation. |
| Evidence | Information gathered to support or defend a conclusion. |
| Hypothesis | A testable idea or prediction that leads to a scientific investigation. |
| Observation | Information gathered using the senses. |
| Inference | A conclusion or an assumption based on observations. |
| Scientific Theory | an explanation for why things work or how things happen. |
| Scientific Law | a statement based on repeated experimental observations that describes some aspects of the universe. |
| Control Group | The group in an investigation that does NOT get the independent variable. |