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Which describes the dependent variable in an experiment? Select one of the options below as your answer: A. the variable changed by the experimenter B. the quantity that must remain the same C. the
variable that changes in response to the experiment D. the statement that is worded to test the experiment
The answer is B, the quantity must remain the same.
Expert answered|falloutgirl19|Points 711|
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Asked 7/23/2012 11:46:41 AM
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To test the hypothesis that plants grow faster in green light, a student set up 3 of the same type of plants. She placed the first plant under a green light, the second plant under a regular light bulb, and the third plant under a red light. What is the independent variable in this experiment? A. pot size B. light color C. plant type D. amount of water
Weegy: The answer is B. light color User: To test the hypothesis that plants grow faster in green light, a student set up 3 of the same type of plants. She placed the first plant under a green light, the second plant under a regular light bulb, and the third plant under a red light. What is the dependent variable in this experiment? A. amount of water B. type of plant C. color of light D. plant growth (More)
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Expert Answered
Asked 7/20/2012 10:25:12 AM
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To test the hypothesis that plants grow faster in green light, a student set up 3 of the same type of plants. She placed the first plant under a green light, the second plant under a regular light bulb, and the third plant under a red light. All of the following are the constants in the above experiment except __________.Select one of the options below as your answer: A. amount of water B. plant type C. light color D. pot size
Weegy: B) light color is the independent variable. The independent variable is always the one which is controlled and varied by the experimenter. The dependent variable is the one measured - in this case the growth of the plants. To insure a fair test, [ a good experiment has only one independent variable. As the scientist changes the independent variable, he or she observes what happens. In your experiment A),B) &C) should all be kept constant to ensure a fair test. ] (More)
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Asked 7/20/2012 10:39:01 AM
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