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Q: In a control experiment why must all the variables except one be kept constant throughout the experiment?
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What variables don't change in an experiment?

The constant or the control.


What is the variable that remains constant in an experiment?

The control is the variable that is held is held constant throughout all experiments, and duplications of them. By isolating control variables sources of error and or influence on a system can be managed and understood.


What The one factor that differs between a control group and experimental group in a controlled experiment is the?

When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the control variable. The control variable is something that is constant and unchanged in an experiment, and is held constant to test the relative impact of independent variables.


What is the difference between control and experimental variables?

Control Variable = kept in constant in a experiment Experimental Variable = changes in a experiment


What is a factor that cannot be changed during a experiment?

A constant factor is one maintained unchanged throughout an experiment so that it does not affect the outcome. These are also referred to as controlled variables.


How do you keep control variables constant?

Dependent upon the variables, you need to take into consideration factors that can affect the outcome of the result; what will make the result vary in any way. If this, for example, entails the variable to be kept constant time, you will monitor the time and repeat it throughout the experiment. This is my understanding of constant variables; hope this helped.


What are the four variables in a science experiment?

The control, the constant, the independent variable, and the dependent variable.


When a scientific experiment is carried out in a controlled setting all variables are kept the same except for the variable.?

When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the control variable. The control variable is something that is constant and unchanged in an experiment, and is held constant to test the relative impact of independent variables.


When a scientific experiment is carried out in a controlled setting all variables are kept the same except for the what variable?

When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the control variable. The control variable is something that is constant and unchanged in an experiment, and is held constant to test the relative impact of independent variables.


When a scientific experiment is carried out in a controlled setting all variables are kept the same except for the ------------- variable?

When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the control variable. The control variable is something that is constant and unchanged in an experiment, and is held constant to test the relative impact of independent variables.


What is costant and control?

Controlled variables are quantities that a scientist wants to remain constant and observe as carefully as the dependent variables.


Define manipulated responding and controlled variables?

the controlled variables are the factors that are kept constant during an experiment. if they are not kept constant then they may affect the outcome of the experiment. the manipulated variable is the factor that is different between the experiment and the control. the responding variable is the variable that is being measured in the experiment.