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Scientific Method
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A method of procedure that has characterized natural science, consisting of objective, hypothesis, procedure, data and calculations, and conclusion |
Objective
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-1 step of Scientific Method-State the purpose of the lab or the inquiry question-often the problem of the lab |
Hypothesis
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-2nd step of the Scientific Method-A reasonable and educated possible answer based on what you know and observed-I think... because... or If... then.. because... |
Procedure
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-3rd step of the Scientific Method-Includes: Materials, Safety Rule, List of Steps-test the hypothesis by following the procedure |
Data & Calculations
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-4th step of the Scientific Method-observations (both qualitative & quantitative) and data are collected-Created in the following forms: table, chart, graph, diagram |
Conclusion
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-5th Step of the Scientific Method-Reflection Piece-Restate the hypothesis & explain why the hypothesis was correct or incorrect-answer any other questions based on the experiment |
Variables
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Factors that can be changed in an experiment |
Independent Variable
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The one and only variable that is intentionally changed in a lab |
Controlled/Constant Variables
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The variables that are not changed in an experiment (kept the same) |
Observations
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Something that comes from tools and your senses |
Qualitative Observations
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-can't actually be measured-Ex. softness of skin, color of eyes |
Quantitative Observations
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-can be measured and written down-numbers and labels-Ex. Your shoe size (12 inches) |