Riley is testing how quickly sugar water freezes. he adds sugar water to one ice tray and plain water to another ice tray. he places each tray in the freezer and records the time when each one starts to freeze. what is the treatment in this experiment? a. water b. freezer c. ice tray d. sugar

a. water

Explanation:

The independent variable is something which can be altered in an experiment the effect of this change can be examined on the dependent or experimental variable. The experimental variable changes with the effect of the independent variable.

The water is the experimental variable in this case. This is because of the fact that the effect of freezing on sugar and plain water is to be determined. Hence, the water is treated in the experiment.

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