1. | Lauren wants to know which location in her apartment is best for growing African violets. She has three African violets. She puts one on the balcony, one by the kitchen window, and one on the mantel in the living room. Each plant has the same size pot and the same soil, and Lauren gives each plant the same amount of water. The 2 variables: 1. location of plants 2. how the plants grow Which one is the independent variable (IV)? |
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2. | The independent variable (IV) changes the dependent variable (DV). |
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3. | Does heating a cup of water allow it to dissolve more sugar? The 2 variables: 1. water temperature 2. amount of dissolved sugar What is the dependent variable (DV)? |
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4. | The changes that occur in an experiment that are directly caused by the experimenter (you) are called ___________. |
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5. | This variable MUST be measurable. |
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