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# Scientific Method

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Scientific Method Basics

Scientific Method Basics

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### Transcript

• 1. Scientific Method A blueprint for experiment success.
• 2. What is the scientific method?
• It is a simple method scientists use to conduct an investigation.
• It is a way to ask & answer scientific questions by asking questions & conducting experiments.
• 3. I. Question/Problem
• Why?
• How?
• What?
• Question to be solved.
• Must be about something measurable.
• 4. II. Hypothesis
• Educated guess about how things work.
• Prediction
• Use If, then statements
• If ____ [ I do this ], then _____ [ this will happen ]
• Focus on one variable only.
• 5. III. Experiment
• Is it accepted (right) or rejected (wrong) ?
• Change only one variable at a time.
• Use a control or control group ( A group that has nothing done to it. Standard used for comparison in an experiment .)
• In order for results to be valid, conduct several tests.
• 6. III. Experiment
• Record your data in a data table.
• Numerical (quantitative) data organized in rows and columns
• The specific independent variables are listed
• â€¢ The number of trials are listed
• Blanks are left for the data (dependent variable) to be filled in
• 7. III. Experiment Title: Describing the Data Trial Variable 1 Variable 2 Variable 3 1 2 3 4 5 AVERAGE
• 8. IV. Data Analysis
• Reduce the data
• Average (Mean)
• Graph
• Graph the data to look for trends & relationships.
• 9. V. Conclusion