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The Scientific Method: What is important and what isn't

The Scientific Method: What is important and what isn't. The Problem/Purpose.

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The Scientific Method: What is important and what isn't

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  1. The Scientific Method: What is important and what isn't

  2. The Problem/Purpose • Mrs. Soloman (the Principal) believes that a special juice from GNC health foods will increase the productivity of teachers at John Fraser SS. She creates two groups of 50 teachers each. One group will drink the 'special juice' and the other will drink water with blue food colouring. The task she asks them to complete is stapling sets of paper together. After one hour Mrs. Soloman counts how many sets of papers were stapled by each group.

  3. Identifying Important Information • Mrs. Soloman (the Principal) believes that a special juice from GNC health foods will increase the productivity of teachers at John Fraser SS. She creates two groups of 50 teachers each. One group will drink the 'special juice' and the other will drink water with blue food colouring. The task she asks them to complete is stapling sets of paper together. After one hour Mrs. Soloman counts how many sets of papers were stapled by each group. Control variable: Group that drinks water Independent variable: Special juice Dependent variable: Productivity of teachers What would be an appropriate hypothesis for this experiment?

  4. The Problem/Purpose • Mr. Chawla notices that his shower is covered in green slime. Miss. Adams suggests that Mr. C use coconut oil to get rid of the slime. Mr. C decides to use the coconut oil on half the shower and plain water on the other. After three days of 'treatment' there is no improvement with respect to the slime. Identify the control variable; independent variable and dependent variable What should Mr. C's conclusion be?

  5. The Problem/Purpose • Mr. Miller wants to test whether a new hair growth treatment works. He decides to use Hair for the Head (hair growth cream) on half of his head and leaves the other side bare. Identify the control variable; independent variable and dependent variable What would be an appropriate hypothesis for this problem? REMEMBER THE RULE FOR WRITING HYPOTHESIS! If independent variable, then dependent variable

  6. Observations and Inferences Examples 1. The concert was loud 2. There are 35 students in the class 3. When a student gets sent to the office it means they are in trouble 4. Yao Ming is 7 feet 6 inches tall 5. The chemical smelled like sulfur 6. First period on day 1 is 115 minutes 7. Students at Stephen Lewis are smart 8. The water is cold 9. Tall people are good at sports 10. A large coffee from Tim Horton's costs $1.52

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