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Student Notes

Student Notes. Experimental Design/Scientific Method Name: Class:. Observation Any information collected with the _______________ What are the 5 senses? The skill of __________________. Inference Conclusions based on _________________

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Student Notes

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  1. Student Notes Experimental Design/Scientific Method Name: Class:

  2. Observation Any information collected with the _______________ What are the 5 senses? The skill of __________________ Inference Conclusions based on _________________ The process of _______________ from given __________. Observation and Inference What do you observe about the 2 sets of tracks? What do you infer about the 2 sets of tracks? 2nd slide – New observations? New Inferences? 3rd Slide – Draw a final conclusion.

  3. Title Should be _______ or ________ at the beginning of every experiment. The title should be answered in your ___________. Always should be written as “The effect of ______ on _____. Hypothesis A ________________ How to write a hypothesis: Use an ______, _________ statement. If the _______________ changes then the _______________ changes. Title and Hypothesis Examples: Examples:

  4. Independent Variable What you are ___________ in an experiment The _________ Changed on _________________. How many Independent Variables should you have in your experiment? Dependent Variable What you are ____________ in an experiment The ___________. Variables – Independent and Dependent • Example: • IV – • DV – • IV – • DV -

  5. Control Used for _____________ The __________________ group. Does the control group ever change? Constants Materials in your experiment that are the _______ in both the control and the experimental group. Does this ever change? Why not? Control and Constants • Examples: • Control: • Constants:

  6. Procedure • Your procedure must be: • In a ____________________ format • Very ______________ • __________________ Why must your procedure be so detailed?

  7. IV IV IV IV IV DV DV DV DV DV Self Check – Experimental Design

  8. Qualitative Recorded as an _________________. Example: Quantitative Recorded in ________________. Example: Data –Qualitative or Quantitative

  9. Tables and Graphs • Are they the same? • Do you have to have both? The Pirate Ship TAILS T A I L S DRY MIX DRYMIX

  10. What kind of graph should I use? • Line Graph – • Bar Graph/Histogram – • Scatter Plot – • Pie/Circle Graph – • Picture Graph -

  11. Results Summary • Summarize your data into ___ sentence. • Shows ________ in your data. • Example: • THIS IS NOT THE SAME AS A CONCLUSION!

  12. Conclusion – Answer these questions in a paragraph. • What was the purpose of the experiment? • What were the major findings? • Was the hypothesis supported by the data? • How did your findings compare to your classmates? • What happened that you did not expect? Why do you think this happened? • How would you improve this experiment next time? • What recommendations do you have for further study?

  13. Descriptive Based on ___________. Examples: What kind of data do you think is usually collected? Experimental The ___________ and ____________ of variables. Examples: What kind of data do you think is usually collected? 2 kinds of research

  14. Testing Medication Vocab. • Trial – you should have _______________ in your experiment • Sample Size – the ______________ in an experiment • Placebo – a “________________” used as a __________. Contains no drugs – usually made of sugar

  15. Clinical Trials must have…. • ___________ or permission from the subjects • ______________ or payment for time, transportation, inconvenience • The subject must be ___________ of all risks involved

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