You water three sunflower plant with salt water. Each plant receives a different concentration of salt solutions . A fourth rece ives pure water. After a two -week period, the height is measured . What is the independent, dependent and controlled variable.
1 answer:
Answer:
Independent - Water/Type of water (salt and pure)
Dependent - Height of plant
Controlled - Amount of water
Explanation:
Independent is what the experimenter manipulates (in this case being the type of water.)
Dependent is what the experimenter measures and is a result of the independent (in this case being the height of plant)
Controlled is what you are trying to keep the same (in this case the amount of water you give each plant.)
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