Friday, January 22, 2010

What is the constant, independant, dependent, and control variables in the following expiriment?

I am putting different types of pills in hydrochloric acid to see what pill breaks down faster. If it breaks down faster in the acid, it might break down faster in your stomach acid.What is the constant, independant, dependent, and control variables in the following expiriment?
The acid used is constant across all your experiments.


The control could be a pill left alone, although I imagine it would take a very long time to dissolve.


The independent variable is which pill you are dissolving; this is the variable that you control and change from each experiment.


The dependent variable would be how long it takes to dissolve; this is going to DEPEND on which pill it is.What is the constant, independant, dependent, and control variables in the following expiriment?
constant=acid


control=a pill left alone


independent=stomach acid


dependent=hydrochloric acid


variables=pills

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