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Scientific Method

The scientific method is a systematic approach that scientists use to explore questions, test hypotheses, and solve problems. It consists of several key steps: asking a question, conducting research, forming a hypothesis, performing experiments, making observations, keeping good records, and drawing conclusions. By following this method, scientists can test ideas, analyze results, and communicate findings effectively. Through practical examples, such as comparing the bounce of different balls, we can see the scientific method in action, continuously evolving based on new evidence.

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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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