Problem:
What is the problem/question you are trying to answer? You need to label the IV, DV and CV in the problem statement.
Ex. Which fertilizer (IV) will produce the tallest plant (DV) in a pot of 7 cups of peat moss (CV)?
Independent Variable - IV -
The item being changed in each experiment, or different condition being tried
ex. testing different fertilizers, amount of sun light, different seeds to test growth
Dependent Variable - DV -
The expected outcome
ex. tallest plant, furthest distance, fastest result
Constant Variable - CV -
All of the conditions that are remaining the same in all experiments, the items NOT being changed, the items that stay the same
Control Variable
The control experiment that has NO changes whatsoeverex. the plant that has NO fertilizer, for instance
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