the dependant variable
you have control in a laboratory
The Variables That do not change in the experiment
free
A controlled variables are what stayed the same and is compared to other variables
In programming, variables change all the time. In scientific testing you control variables to determine what other changes occur.
You need to control the variables because if you have two or more variables in an experiment you will never know which variable caused a change or not caused a change.
It is easier to control independent variables
To conduct a controlled experiment, you need to control all variables except the one you are changing. The variable you change is called the independent variable, and the variable you measure in response is the dependent variable. Control variables are those that could potentially affect the outcome of the experiment but are kept constant to isolate the effect of the independent variable.
A scientist would need to identify variables so you could know what to change and what to keep the same. A scientist would need to control variables so you can try to see exactly which factors are affecting the dependent variable (the thing you're measuring). Hope this helped! Because I have the exact same question on my homework!
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We Is Doing A Project On Control Variables.
The two types of variables are the CONSTANT and CONTROL.
In an experiment, variables that are not changed are called control variables. These variables are kept constant to ensure that any changes observed in the experiment are due to the manipulated variable, or independent variable, and not due to other factors.
So that you can know what is the manipulating variable, the controlling variable, and the responding variable! To control the variables!
To find the effect of light on tomatoes, you would need to control variables such as the type and intensity of light, the duration of light exposure, the temperature of the environment, the type of soil and nutrients used, and the watering schedule. By controlling these variables, you can ensure that any changes observed in the tomatoes can be attributed to the presence or absence of light.
the dependant variable