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Scientific Method
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Scientific Method



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  • 1. A QUICK REVIEW OF THE SCIENTIFIC METHOD A lot of you have been asking questions about the scientific method. Let me answer them all at once.
  • 2. DISCLAIMER Some things I’m about to say may apply directly to your project, some may not. Don’t freak out if it doesn’t directly apply to you—I’m one man.
  • 3. VARIABLES There are two major variables in your experiment: the dependent and the independent variable.
  • 4. QUICK WAY TO REMEMBER Here’s an easy way to think about it. “How does α affect ß?” α is you independent variable. ß is your dependent variable.
  • 5. EXPERIMENTAL GROUP This is the set of test items that undergo the various manipulation of variables.
  • 6. CONTROL GROUP This is like a second experiment where you do not include your independent variable. If you’re testing to see if salt in water makes it boil faster, then your control is the pot without any salt in the water.
  • 7. TWO BRAINPOPS Yes, there is a BrainPOP on science fair projects— lucky you. There is also one on the scientific method, in case you get confused.
  • 8. A REVISED PROPOSAL A revised proposal—based on the research you’ve done and what we’ve talked about this week, you should be working on finalizing exactly what you plan on doing. In writing, explain what you’re doing, how you plan on doing it, what you’ve done already and what you still need to do.
  • 9. BENCHMARKS This is what you should be working on today: A revised proposal (see previous). Finishing up your research—I am going to expect a full draft on Tuesday. By the end of today you should have finished up collecting facts and be drafting. Compiling a materials list and planning yout board. We have less than 10 class periods left.