click below
click below
Normal Size Small Size show me how
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. |