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Writing Your Procedure

Writing Your Procedure. **You will develop an investigation to test your hypothesis!**. Your procedure is a list of steps you will follow to conduct your investigation. Describe each step in the correct order! Be as SPECIFIC as possible. Be CLEAR and CONSICE!.

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Writing Your Procedure

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  1. Writing Your Procedure

  2. **You will develop an investigation to test your hypothesis!** • Your procedure is a list of steps you will follow to conduct your investigation. • Describe each step in the correct order! • Be as SPECIFIC as possible. • Be CLEAR and CONSICE!

  3. Your procedure is the “recipe” for your investigation!! • Another scientist must be able to use your procedure to recreate your investigation!!

  4. Independent variable is the same as manipulated variable • Dependent variable is the same as responding variable • METRIC UNITS ONLY!!!

  5. Data = information • Think about what data you • will need to collect during your investigation. • Pictures * Dates * Times * Mass * Length * Height * Volume * Temperature * Number * Color • Include the type of data you will collect in your procedure

  6. Questions to think about: • How will you show your data? • Are pictures enough? • Will you need some type of graph? • What type of graph will be best to show the data you have collected?

  7. New entry in Table of Contents and on the page on which you will be taking notes: • Collecting and Analyzing Data

  8. What does it mean to • collect data? • When you collect data, you write down the observations you make during your investigation. • Once you have recorded your data, you must organize it in a way that makes it easy for others to understand.Brain Pop Graphing Video

  9. What does it mean to • “analyze data”? • Data analysis is the process of figuring out the meaning of the data you have collected, organized, and displayed in the form of a table, bar graph, line graph, etc.

  10. What does it mean to “analyze data”? • The process involves looking for patterns—similarities, differences, trends, and other relationships—and thinking about what these patterns might mean. • You will be able to make statements about the data—predictions or inferences.Practice Analysis

  11. What does it mean to “analyze data”? • When you explain your data and observations, you are giving an analysis! Include this information: • What have you learned? • Why did you get the results you did? • What did the experiment prove?

  12. Writing Your Conclusion

  13. Your Conclusion Should: *Tell about your science fair project results in a few sentences *Include important facts from your research to help explain your results as needed.*Tell whether your results prove or disprove your hypothesis. *Include what you think went well and not so well, with your investigation*Give some ideas how to change the procedure so that the investigation runs smoother next time and/or tell some ideas for future investigations.

  14. Sample Result • ResultsAccording to my experiments, the Energizer maintained its power (dependent variable) for approximately a 3% longer period of time (independent variable) than Duracell in a low current drain device. For a medium drain device, the Energizer maintained its power for approximately 10% longer than Duracell. For a high drain device, the Energizer maintained its power for approximately 29% longer than Duracell. Basically, the Energizer performs with better the higher the current drain of the device. • The heavy-duty non-alkaline batteries do not maintain their voltage as long as either alkaline battery at any level of current drain.

  15. Sample Conclusion: Conclusion:My hypothesis was that Energizer would last the longest in all of the devices tested. My results do support my hypothesis.I think the tests I did went smoothly and I had no problems, except for the fact that the batteries recover some of their voltage if they are not running in something. Therefore, I had to take the measurements quickly.An interesting future study might involve testing the batteries at different temperatures to simulate actual usage in very cold or very hot conditions

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