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What is science?

What is science?. 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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What is science?

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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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