Science 8-Scientific Problem Solving

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Science 8-Scientific Problem Solving Case Study Lesson 3

1. Constants are necessary in a controlled experiment because, without constants, you would not know which variable affected the control group. experimental group. dependent variable. independent variable.

1. Constants are necessary in a controlled experiment because, without constants, you would not know which variable affected the control group. experimental group. dependent variable. independent variable.

Use the diagram below to answer the next two questions!   2. What is the independent variable in this experiment? 3. What are constants in this experiment?

fertilizer Use the diagram below to answer the next two questions!   2. What is the independent variable in this experiment?  fertilizer 3. What are constants in this experiment?

fertilizer Sunlight—same amount of water—same type of plant Use the diagram below to answer the next two questions!   2. What is the independent variable in this experiment?  fertilizer 3. What are constants in this experiment? Sunlight—same amount of water—same type of plant