Wednesday, May 12, 2010

What is the dependent, independent and the controlled variable?

My son is doing his science project on Can Lava Be Diverted and he needs to know what the dependent, independent, and controlled variable are. thanksWhat is the dependent, independent and the controlled variable?
1) Independent variable is the variable which you don't control for example Lava generation could be the independent variable.





2) Direction of Flow of Lava could be the dependent variable.





3) How do you divert Lava? That mechanism which is used to divert Lava is the controlled variable.What is the dependent, independent and the controlled variable?
the dependent variable is the one you measure


the independent variable is the thing you change


and the controlled variable is the thing that stays the same
We don't use the term that you mentioned. Rather we use constant, manipulated and responding variable.


Controlled variable is the same as constant variable (fixed variable)

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