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20 Cards in this Set
- Front
- Back
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Scientific Method
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common procedures used by scientists to gather information used in problem solving and experimentation
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Control Group
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The part of the experiment in which the treatment is not provided
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Experimental group
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The part of the experiment in which the treatment is provided
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Hypothesis
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Testable explanation (prediction) of a question or problem
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Trend
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Description of the behavior of a variable or the relationship between two variables
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Conclusion
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A final statement summing up the results of an experiment, it should refer to the hypothesis
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Manipulated Variable
(Independent Variable) |
Factor in an experiment the scientist purposely changes
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Responding Variable
(Dependent Variable) |
Factor in an experiment that the scientist wants to observe, which may change as a result of other variables being changed
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Qualitative data
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Descriptions from observations that do not contain numbers
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Quantitative data
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Observations from an experiment containing numerical measurements
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Inference
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The interpretation of an observation based on prior knowledge
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Prediction
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An inference about future events based on current evidence, past experience or knowledge
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Accuracy
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how close a measurement is to the actual value
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Precision
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how close measurements are to one another
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Theory
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explanation of a set of observations about the natural world that has stood up to multiple tests over time.
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system
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a unit made up of parts that perform a function ex. pen, bicycle, tree, city
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line graphs
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a graph in which points representing values of a variable for suitable values of an independent variable are connected by a broken line
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investigation
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to observe or study by close examination and systematic inquiry
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trial
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a tryout or experiment to test quality, value, or usefulness
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procedure
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a series of steps followed in a regular definite order
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