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Scientific Method: Experiment Success Blueprint

Discover the simple yet effective way scientists conduct investigations, ask questions, and conduct experiments. With steps from questioning to analyzing data, learn how to form testable hypotheses, conduct experiments, and analyze results to draw conclusions scientifically.

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Scientific Method: Experiment Success Blueprint

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  1. What is science?

  2. Scientific Method A blueprint for experiment success.

  3. 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.

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

  5. II. Hypothesis • Testable • If, then because statements • If ____ [I do this], then _____ [this will happen] because ________(explain why you think it will happen) • Educated guess about how things work. • Mnemonic - TIE

  6. Do NOW: Using what you know about the steps in the scientific method, what is going on in this cartoon?

  7. Do NOW Write a hypothesis for the cartoon. Use If.. Then...because… What are the variables?

  8. III. Experiment • Tests your hypothesis. Is it accepted (right) or rejected (wrong) ? • Change only one variable.

  9. Variable – (from the word) varies • The dependent variable is what happens in the experiment due to the change. The “then” part of the hypothesis. (the effect) • The Independent variable is the condition (thing) that the scientist controls or changes on purpose. The “if” part of a hypothesis. I do it. (The cause of the change.)

  10. Experiment • Control – part you do nothing to, to compare • Data – information • Constant – Everything except your variable stays exactly the same. • Trial – You need to test it more than once

  11. III. Experiment • Record your data in a data table. • Numerical (quantitative) data organized in rows and columns • The specific independent variables are listed • The number of trials are listed • Blanks are left for the data (dependent variable) to be filled in

  12. III. Experiment Title: Describing the Data

  13. Data Table Frog Jump Data Table

  14. IV. Data Analysis • Reduce the data • Average (Mean) • Graph • Graph the data to look for trends & relationships.

  15. 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.

  16. What makes this funny? Use your science vocabulary.

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