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x100 1500 mL 80 o F Aim: How can we talk about good experiments? Do Now: Is this a good experiment? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group.

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Presentation on theme: "x100 1500 mL 80 o F Aim: How can we talk about good experiments? Do Now: Is this a good experiment? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group."— Presentation transcript:

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2 x100 1500 mL 80 o F Aim: How can we talk about good experiments? Do Now: Is this a good experiment? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3

3 x100 1500 mL 80 o F Which one is the control group? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3

4 x100 1500 mL 80 o F Which one is the control group? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1 Group 2Group 3

5 Which one is the control group? Group 1Group 2 Group 3Group 4 x500 100 o F 250 mg

6 Which one is the control group? Group 1Group 2 Group 3 x500 100 o F 250 mg Group 4

7 Independent Variable The independent variable is the difference between the groups

8 x100 1500 mL 80 o F What is the independent variable? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3 the temperature

9 x100 1500 mL 80 o F What is the independent variable? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3 the temperature

10 What is the independent variable? Group 1Group 2 Group 3Group 4 x500 100 o F 250 mg the kind of medicine taken

11 What is the independent variable? Group 1Group 2 Group 3Group 4 x500 100 o F 250 mg the kind of medicine taken

12 What is the independent variable? Group 1 Group 2 x100 1 hour the amount of exercise

13 What is the independent variable? Group 1 Group 2 x100 1 hour the amount of exercise

14 What is the independent variable? Group 1 Group 2 x85 the light color

15 What is the independent variable? Group 1 Group 2 x85 the light color

16 What is the independent variable? Group 1 Group 2 x100 the kind of food

17 What is the independent variable? Group 1 Group 2 x100 the kind of food

18 What is the independent variable? Group 1 Group 2 x1000 the amount of coffee

19 What is the independent variable? Group 1 Group 2 x1000 the amount of coffee

20 What is the independent variable? Group 1 Group 2 x200 the kind of dog food

21 What is the independent variable? Group 1 Group 2 x200 the kind of dog food

22 What is the independent variable? x800 Group 1Group 2 Group 3Group 4 the kind of dinner

23 What is the independent variable? x800 Group 1Group 2 Group 3Group 4 the kind of dinner

24 (Independent Variable Worksheet)

25 Dependent Variable The dependent variable is the thing that the scientist measures

26 x100 1500 mL 80 o F What is the dependent variable? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3 the number of dead fish

27 x100 1500 mL 80 o F What is the dependent variable? x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3 the number of dead fish

28 What is the dependent variable? Group 1Group 2 Group 3Group 4 x500 100 o F 250 mg the decrease in temperature

29 What is the dependent variable? Group 1Group 2 Group 3Group 4 x500 100 o F 250 mg the decrease in temperature

30 What is the dependent variable? Group 1 Group 2 x100 1 hour the rabbits’ weight

31 What is the dependent variable? Group 1 Group 2 x100 1 hour the rabbits’ weight

32 What is the dependent variable? Group 1 Group 2 x85 the plants’ height

33 What is the dependent variable? Group 1 Group 2 x85 the plants’ height

34 What is the dependent variable? Group 1 Group 2 x100 the students’ test scores

35 What is the dependent variable? Group 1 Group 2 x100 the students’ test scores

36 What is the dependent variable? Group 1 Group 2 x1000 the number of car accidents

37 What is the dependent variable? Group 1 Group 2 x1000 the number of car accidents

38 What is the dependent variable? Group 1 Group 2 x200 the dogs’ lifespan

39 What is the dependent variable? Group 1 Group 2 x200 the dogs’ lifespan

40 What is the dependent variable? x800 Group 1Group 2 Group 3Group 4 the children’s weight

41 What is the dependent variable? x800 Group 1Group 2 Group 3Group 4 the children’s weight

42 (Dependent Variable Worksheet)

43 Constant Something that is the same in all the groups is constant.

44 x100 1500 mL 80 o F Name one thing that is constant in this experiment. x100 1500 mL 75 o F x100 1500 mL 85 o F Group 1Group 2Group 3

45 Name one thing that is constant in this experiment. Group 1Group 2 Group 3Group 4 x500 100 o F 250 mg

46 Name one thing that is constant in this experiment. Group 1 Group 2 x100 1 hour

47 Name one thing that is constant in this experiment. Group 1 Group 2 x85

48 Name one thing that should be kept constant in this experiment. Group 1 Group 2 x100

49 Name one thing that is constant in this experiment. Group 1 Group 2 x1000

50 Name one thing that is constant in this experiment. Group 1 Group 2 x200

51 Name one thing that should be kept constant in this experiment. x800 Group 1Group 2 Group 3Group 4

52 (Constant Worksheet)


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