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Scientific Method
Vocabulary
Term | Definition |
---|---|
Observation | Gaining information by using one or more of your senses: hear, taste, sight, touch, smell. |
Hypothesis | An educated guess of the cause of a problem. Must be testable. |
Experiment | What you conduct in order to test your hypothesis. |
Control Group | The part(s) of the experiment that are used for comparison. |
Independent Variable | Manipulated variable- What you physically change in the experiment |
Dependent Variable | Responding variable – The part of the experiment that changes as a result of what you changed. |
DRY MIX | The Dependent (D) variable or Responding variable is found on the Y-axis of a graph. The Manipulated (M) variable or the Independent (I) variable is found on the X-axis of a graph. |
Fact | An observation that is repeatedly confirmed |
Theory | A set of related hypotheses that have been tested and confirmed many times by many scientists. |
Law | Is a descriptive generalization about how some aspect of the natural world behaves under stated circumstances. Laws can be altered with new information and observations. |
The Theory of Spontaneous Generation | A theory that stated: Living organisms could be derived from nonliving material. |
Qualitative Data | Data in the form of words. |
Quantitative Data | Data in the form of numbers. |