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The Steps of the Scientific Method

The Steps of the Scientific Method. Mrs. Prince’s Class 2012-2013. The Steps of the Scientific Method 1. State the problem or question. It must be a testable problem. You can only test one problem at a time. Example:

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The Steps of the Scientific Method

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  1. The Steps of the Scientific Method Mrs. Prince’s Class 2012-2013

  2. The Steps of the Scientific Method1. State the problem or question. • It must be a testable problem. • You can only test one problem at a time. Example: If I want to see if fertilizer helps plants grow, I cannot also see if more sunlight helps them grow. That would have to be a separate test.

  3. 2. Research your problem or question. • Find out what is already known about your problem. • This will help you make your educated guess. Example: If we are going to test fertilizer, we could research different types of fertilizers online.

  4. 3. State your hypothesis. • This is a predicted answer to your question. • It should be an educated guess. • It is written as an “If…..then…” statement. Example: If we use type A fertilizer on bean plants; then, the plants will grow twice as big as those without type A fertilizer.

  5. 4. Design an experiment • Experiment should test your hypothesis. • List materials needed. • List step-by-step procedures to repeat the experiment. • Define the variables. Example: Independent variable – type A fertilizer Dependent variable – growth of bean plants Controlled variables – amount of water, sunlight, type of soil

  6. 5. Conduct the experiment • Follow procedures carefully. • Record observations in charts, tables Example: Bean Plant Growth

  7. 6. Analyze the data. • Figure out what your data means. Describe the relationship between the variables. • Make charts and graphs to show data. Example:

  8. 7. State a conclusion. • Compare your results to the hypothesis. • Did your results (data) support or not support the hypothesis? • To be scientific, hypothesis should be tested repeatedly with same results. Example: Our results supported our hypothesis. The bean plants given type A fertilizer grew twice as large as the bean plants without fertilizer.

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