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Scientific Method

Scientific Method. A blueprint for experiment success. 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. I. Question/Problem.

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Scientific Method

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  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 • Ask a question about something observed. • Why? • How? • What? • Question to be solved. • Must be about something measurable.

  4. Preliminary Research • Before a hypothesis can be made, background information is collected.

  5. II. Hypothesis • Educated guess about how things work. • Prediction • Use If, then statements • If ____ [I do this], then _____ [this will happen]

  6. III. Experiment • Tests your hypothesis. • Focus on only changing one variable at a time (independent). • Use a 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 trials and average the results.

  7. III. Experiment • Record your data in a data table. • Quantitative Data: Numerical data organized in rows and columns. Examples: 33 cm, 2.4 g • Qualitative Data: Observations that are not numerical. Examples: red color, bubbles, smoky smell

  8. III. Experiment Title: Describing the Data

  9. IV. Data Analysis • Analyze the data • Calculate the average (Mean) of quantitative data. • Graph • Graph the data to look for trends & relationships.

  10. V. Conclusion • Summary of your experiment. • After your experiment, analyze your data to see if your hypothesis was accepted or rejected. • If hypothesis is rejected, give possible reasons for the difference between your hypothesis and the experimental results. • If rejected, construct a new hypothesis and test it.

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