What does independent and dependent variable mean?

okay if i have 3 plants



1.Plant one has salt water

2.Plant two has sugar water

3.Plant three has regular water

P.S.They are left in the sun for the same amount of time



What is the control group, independent variable, dependent variable, and constants are???

This is for my science fair project and i need helpWhat does independent and dependent variable mean?
the independent cariable is the variable that you can control.. the dependent variable is the one you cannot controlWhat does independent and dependent variable mean?
the dependent variable is always the outcome, the independent variable is always the manipulated one :) trust me, i just learned this in my algebra %26amp; geography class^.^ so the type of water would be independent %26amp; the dependent would be result of their growth :)