The answer to this question depends what a(n) is meant to represent.
The variable that stays the same throughout the entire experiment is called the control.
constant variable
A controlled variable means that it stays the same while other substances change. This helps prove the exact changes in an experiment.
The constant variable.
the constant
A variable in an experiment that stays the same is a constant.
A variable in an experiment that stays the same is a constant.
The variable that stays the same
The variable that stays the same
constant
constant
An independent variable stays the same even if other variables change.
The variable that stays the same throughout the entire experiment is called the control.
constant variable
Irrelevant.
A controlled variable is the variable that always stays the same when you change other variables in the experiment. A variable is an ingredient or way of doing something in an experiment.
A fixed variable is the thing that stays the same, such as the amount of water.