Wednesday, 2 July 2014

Independent, Dependent and Controlled Variables

Experiment: To test if temperature affects the rate of growth of a plant.

Independent Variable: The temperature in which the plant is growing in (the variable that is change-able and isn't affected by the experiment).

Dependent Variable: The height of the plant (the variable that depends on the experiment to change, which is normally the result).

Controlled Variable: 1. Amount of water used to grow the plant 2. Amount of sunlight available for the plant ETC. (Controlled variables are normally those that ensure that the experiment is fair)

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