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Scientific Method

Scientific Method. What is the Scientific Method?. A series of steps that scientists use to answer questions and solve problems. Step 1 : Ask a Question. Asking a question helps focus an investigation. “Which is heavier?”. Step 2: Research.

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Scientific Method

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  1. Scientific Method

  2. What is the Scientific Method? • A series of steps that scientists use to answer questions and solve problems

  3. Step 1 : Ask a Question • Asking a question helps focus an investigation. • “Which is heavier?”

  4. Step 2: Research • In order to test a hypothesis scientist gather data on their question. • “I know for a fact that feathers are very light.”

  5. Step 3: Form a hypothesis • A hypothesis is a possible explanation, or answer to a question. • “I think gold is heavier.”

  6. Step 4: Experiment • To test a hypothesis scientist conduct a controlled experiment. • “I will weigh each item on a triple beam balance.”

  7. Make Observations • Scientist look at the results from their experiments and record the data. • “I see that a cubic cm of gold is heavier than a cubic cm of feathers.”

  8. Keeping Good Records • Scientists keep very detailed records for many reasons. • Prevent opinions for interfering 2. Keep notes for future experiments 3. Communicate with future scientists

  9. Step 5: Draw Conclusions • After analyzing their results, scientists decide if there results support their hypothesis. • If the hypothesis is wrong, the scientis will change the hypothesis and repeat the experiment.

  10. Not Linear

  11. The Scientific Method • Question • Research • Hypothesis • Experiment • Conclusions

  12. The Scientific Method in Action • Question: • Which will bounce higher, a bouncy ball or a rubber band ball?

  13. The Scientific Method in Action • Research • Which feels softer? • Which is heavier • Which is more rubbery?

  14. The Scientific Method in Action • Hypothesis • I think the _________________ will bounce higher.

  15. The Scientific Method in Action • Experiment • How will I test this hypothesis?

  16. The Scientific Method in Action • Conclusion • Which bounced higher? • Was my hypothesis correct?

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