INTRODUCTION
RESEARCH AND SCIENTIFIC METHODS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An experiment is set up with ten pots to test the effective of fertilizer on plant growth. 5 pots have fertilizer added to the soil, 5 pots do not have fertilizer added to the soil. Each pot has 1 spider plant and 5 cups of soil. The pots are watered once a week with 1/2 cup of water. What is something that would need to be true of the spider plants?
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The plants should not be the same size
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The plants should be the same species
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The plants cannot grow with fertlizer
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The plants are the independent variable
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Explanation:
Detailed explanation-1: -The independent variable is the condition that is changed to test the hypothesis while the dependent variable is the that is measured as the result of the changes in the dependent variable.
Detailed explanation-2: -An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist. To insure a fair test, a good experiment has only ONE independent variable.
There is 1 question to complete.