Saturday, January 16, 2010

How do you find the control and variable of a science experiment?

easy the control is something that has stayed the same the whole process





the variable is something that canges throughout the pprojectHow do you find the control and variable of a science experiment?
Example problem


find best fertilizer


need 2 plants with same pot, same amt of sun and water and same everything else besides fertilizer


the fertilizer is the variable everything else is a control

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