announcement Turn in your hw get ready for the quiz
Short Quiz 9/2/13 1. Hypothesis formula (fill in the blank) (A) ………………. , (B) ,(C) 2. What is the formula for research question? 3. What is the difference between IV, DV, 4. Write IV, DV, and hypothesis Research question: How does calcium affect bone strength
1:6 To understand a proverb, and the interpretation; the words of the wise, and their dark sayings. 1:7 The fear of the LORD is the beginning of knowledge: but fools despise wisdom and instruction.
Formula: If______________, what I am going to do Then_____________ this will happen
Practice Hypothesis Think about this question. What effect does food color have on the amount of food fish eat? IV: DV: Hypothesis
2. Which grade will have the greatest number of student who do homework DV: RV:
2. Which grade will have the greatest number of students who do homework DV: grade RV: number of students who do homework Hypothesis: If I count number of students who do homework for all grades, then ____ grade will have the most number of students who do homework
control DEF: What you compare your result to: independent variable is not changed in control group. Why do we need control: without control, it is difficult to know what is causing the change.
practice 1. How does antibiotics affect amount of bacteria in a agar plate? Control group: Experiment group:
practice How does music affect our attention control: Experiment group
practice 1. how does calcium affect our bone strength Control group:
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