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The Scientific Method

The Scientific Method. Bell Work : How do you use the scientific method each day? Give examples……. 8 th Grade Science. What is Science?. What is Science ?. Science is a process that uses observations and investigations to gain knowledge about events in nature. Major Categories of Science.

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The Scientific Method

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  1. The Scientific Method Bell Work: How do you use the scientific method each day? Give examples…… 8th Grade Science

  2. What is Science?

  3. What is Science? Science is a process that uses observations and investigations to gain knowledge about events in nature.

  4. Major Categories of Science • Life Science – deals with living things • Earth Science – Earth and space • Physical Science – deals with matter and energy • Scientific study may overlap one or more categories!

  5. Science Explains Nature Scientific explanations help you understand what is going on in the natural world. • Sometimes explanations must be modified if new technology or new information is discovered

  6. Scientists learn new information by performing investigations. • Example: How do you know if you have allergies? • Observations • Experiments • Modeling

  7. What is the Scientific Method? The Scientific Method is an organized set of investigational procedures

  8. 1. State the Problem • Why? • How? • Should be stated in a clear and concise manner

  9. 2.Gather Information • You must learn as much as possible about background of the problem before you can begin • Your own research • Research from other scientists

  10. A possible explanations for the problem Educated guess It is based on knowledge and observation It provides a direction to the experimental process It can be proved or disproved If THEN statement should be made. 3.Form a Hypothesis

  11. 4. Materials • Include all items that are needed for the experiment

  12. 5. List the Procedure • List the step-by-step explanation of the experimental process • Step 1: Get 2 slices of bread • Step 2: Put mustard on the top slice • Step 3: Place a hamburger patty on the bread • Step 4: Put cheese on the patty • Step 5: Add 2 pickles • Step 6: Eat!!

  13. The results should be written in the form of observations Analyze the data from the experiment Organize the data Paragraph from Tables Graphs 6. List the Results

  14. The conclusion is drawn by looking at the results and comparing them with the problem Was your hypothesis correct? WHY or WHY NOT? Explain!!! 7. Drawing a Conclusion

  15. Review: The Scientific Method • State the Problem • Gather Information • Form a Hypothesis • List the Materials • List the Procedure • Analyze the Results • Conclusion: Was your hypothesis correct? Why or Why not?

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