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What is the Scientific Method?

What is the Scientific Method?. It is the steps someone takes to identify a question, develop a hypothesis, design and carry out steps or procedures to test the hypothesis, and document observations and findings to share with someone else. In other words, it’s a way to solve a problem.

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What is the Scientific Method?

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  1. What is the ScientificMethod? • It is the steps someone takes to identify a question, develop a hypothesis, design and carry out steps or procedures to test the hypothesis, and document observations and findings to share with someone else. • In other words, it’s a way to solve a problem.

  2. Scientist have to take the time to think logically when they are investigating a question or problem. • They break things down into many steps that make sense.

  3. The Scientific Method The Scientific Method involves the following steps: Problem or question Research/observations Hypothesis Experiment/method Results/data Conclusion

  4. The Scientific Method State the problem or question~ When you ask a question or describe problem you wish to solve.

  5. The Scientific Method Research/observation~ You observe something in the material world, using your senses. You may also find out what other people, books, ormagazines say about the problem/question. AH—Look at this!

  6. The Scientific Method Hypothesis~ Your predict what you think the answer to your question might be

  7. The Scientific Method Controlled experiment~The experiment is a test to find out if your hypothesis is correct. Experiments must have a control to be valid.Validity means your experiment was good enough to convince others that your results were accurate. A valid experiment would show your hypothesis to be correct or incorrect. Proving a hypothesis wrong is just as valuable as proving it correct.

  8. Scientific Experimentation • An experiment is a controlled test. • Consist of several variables. Control variable-those which could change, but are not allowed to. Independent (manipulated variable)-variablechanged by the experimenter. The part you do something to. Dependent (responding variable)- the response from the independent variable that’s being measured. • Only onevariable should be changed at a time.

  9. Scientific Experimentation cont….. There are generally two parts to the experiment: • Control group~ group exposed to normal conditions. • Experimental groups~ group exposed to the experimental treatment.

  10. Scientific Experimentation cont….. • Generally a control is the part of an experiment that is left alone. • The control is compared withthe experimental part. • The experimental sectionis what you change or do, to a sample, during the experiment.

  11. The Scientific Method Results~ Consist of information obtained during the experiment. Results are whathappened and may be presented as data or in words. Specific facts, like numbers, are called data. Data is usually written in a table, known as a datatable and is often placed in a graph. A graphmakes it easier to "see" what happened during theexperiment.

  12. The Scientific Method Conclusion- you restate your hypothesis and explain whether the experimentshowed your prediction to be correct or not and try to explain your results.

  13. Let’s Review The Scientific Method

  14. Scientific Method

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