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15 Cards in this Set
- Front
- Back
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Scientific Method
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A series of steps followed to solve a problem.
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Hypothesis
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An idea or explanation based on prior research or observations that can be tested.
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Prediction
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A statement of cause and effect usually in If-Then format.
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Steps of Scientific Method
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1. Recognize a problem/Ask a question
2. Research/Make observations 3. Form a hypothesis 4. Test hypothesis 5. Analyze data 6. Draw conclusions 7. Share information |
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Steps of Scientific Method explained
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Scientiic methods often include the same steps, but the steps may not be used in the same order everytime.
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Controlled Experiment
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Test only one factor at a time and has a control group and 1 or more experimental groups.
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Variable
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Any factor in an experiment that can be changed.
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Inference
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An explanation of you observation.
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Observation
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The use of you senses to gather information.
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Qualitative observation
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Observations that use your senses. They describe the quality of an object or situation.
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Quantitative Observation
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Observations expressed in numbers. They are needed to make an experiment more reliable.
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Independent variable
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The variable being changed. It is graphed on the "x" axis.
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Dependent variable
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The variable being observed or measured. It is graphed on the "y" axis.
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Control
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A sample group that is treated like other experimental groups, but the independent variable isn't applied.
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Bias
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A way of thinking that tells only one side of the story, sometimes gives inaccurate informtation or false impression.
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