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8th grade safety/SM
safety and scientific method
| Term | Definition |
|---|---|
| Science | A process of observing, studying and thinking about things in the world to gain knowledge |
| Variable | a factor in an experiment that can change |
| Constant | variable that remains the same (does not change) |
| Independent Variable | the variable that is purposely changed. It is the “if” part of the hypothesis, plotted on the X-axis of a graph |
| Dependent Variable | the variable that is measured; the response, the results; the data; the “then” part of the hypothesis; plotted on the Y-Axis of a graph |
| Control Group | the regular (standard) group to which everything is compared |
| Experiemental Group | the group(s) being tested with the independent variable |
| Repeated Trials | the number of times that experiment is repeated. |
| Hypothesis | a educated guess or a testable. Written in an “if, then” format. |
| Qualitative Observation | can be described, but not accurately measured. It does not involve numbers. |
| Quantitative Observation | can be measured accurately and correctly with scientific tools. It involves numbers. |
| Prediction | Use of knowledge to identify and explain observations or changes in advance |
| Inference | The development of ideas based on observations |
| Fact | An observation that has been repeatedly confirmed |
Created by:
Mrs Lyons
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