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Scientific Method

Scientific Method. Process to Solve Problems. Choose Problem Research Problem Hypothesis Develop Experiment Test Hypothesis Organize Data Conclusion. Valid Experiment. Read problem to determine control & variable. Control Opposite condition Independent variable or Variable

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Scientific Method

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  1. Scientific Method

  2. Process to Solve Problems • Choose Problem • Research Problem • Hypothesis • Develop Experiment • Test Hypothesis • Organize Data • Conclusion

  3. Valid Experiment • Read problem to determine control & variable. • Control • Opposite condition • Independent variable or Variable • What is being tested • Scientist controls this • Dependent variable • What happens as a result of what the scientist did

  4. Valid Experiment • Examine experimental setup to determine sample size & trials • Sample size • Number of items tested • Trials • Number of times experiment repeated • sample size trials & vice versa

  5. Patty Power • Control group • Group B • Independent variable • New sauce • Dependent variable • Amount of gas • Mr. Krab’s conclusion • The new sauce appears to work as it reduced the amount of gas produced in 60% of the people. • Group B…. • Placebo effect

  6. Slimotosis • Initial Observation • Slimotosis on Gary’s shell • Independent variable • Cures – Seaweed & Dr. Kelp • Dependent variable • Slime & color • Sponge Bob’s conclusion • Gary’s symptoms disappeared BUT SpongeBob can not be sure which cure worked. Redo experiment with a control group.

  7. Marshmallow Muscles • Control Group • SpongeBob • Independent variable • Muscle Cream • Dependent variable • Amount of marshmallows lifted (strength) • Larry’s conclusion • Muscle cream claims not true since both Patrick & SpongeBob improved. Muscle improvements due to Larry’s special workout.

  8. Microwave Miracle • Patrick’s Hypothesis • feeding fish microwaved food would make them become smarter • Control Group • Fish that eat regular food • Independent variable • Microwaved food • Dependent variable • Time required to complete maze • Patrick’s conclusion • The special food does not appear to be a big factor in helping fish become smarter

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