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Scientific Methods Ch. 2 Sec. 1
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The Experimental Method
Science usually begins with observation. Observation leads to asking a question and gather info
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Experimental Method 2. Form Hypothesis
Hypothesis = educated guess based on information gathered Is a complete statement that attempts to answer your question.
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Experimental Method Prediction = logical statement about what will happen if the hypothesis is correct.
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Experimental Method 3. Test Hypothesis = experiment
Experiment = a procedure designed to test a hypothesis under controlled conditions
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Exp. Method Experiment should pinpoint cause and effect relationships.
2 factors Variable Control
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Exp. Method Variable = factor of interest (what you change)
Experimental group
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Exp. Method Control group= group that doesn’t receive experimental treatment Used to compare results
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Exp. Method 4. Analyze/ organize Data
Data = info gathered from experiment Use tables and graphs
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Exp. Method 5. Draw Conclusion
Analyze data and compare outcome with prediction or hypothesis
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Exp. Method Conclusion May not be obvious so repeat experiment
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