Question

When talking about variables in a scientific experiment, describe how you know what the independent variable, dependent variable, control and constant are in the experiment. How do you know which one is which?

Answer 1

An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.

Answer 2

Answer and Explanation

An independent variable is a variable which changes to examine the impacts on the dependent variable. On the other hand, the dependent variable is the factor which is changed due to change of independent variable. It is being examined. Constant is a value which remains the same throughout the experiment. Control is the substances or things which protect the experiment from any danger due to scientific research.