What is the difference between an independent variable, a dependent variable, and a control???

this is a part of the scientific method!What is the difference between an independent variable, a dependent variable, and a control???
Independent and dependent variables are closely tied. The Independent part is what you are changing yourself within your experiment to find out particular outcomes, most commonly in experiments temperature or time tend to be the independent variables. The dependent variable is what changes as a result of the independent variable, hence the fact its DEPENDENT upon the other variable. for example if you were to alter the amount of sunlight (independent variable) different batches of the same plant were exposed to, the your dependent variable would most likely be the growth rate of the plants as the rate of growth depends upon the amount of sun the plants are exposed to.





however within any accurate experiment there should only be one independent variable, however there can be more than one dependent variable. using the same example the growth rate of the plants is one dependent variable but the overall height of the plants is another one.





a control is simply the same experiment without the interference of the independent variable. so in the example it would be the natural growth rate of the plants without you changing the exposure of light. having the control is important because it is what you compare your overall results to in order to see the effect of the independent variable.





hope that helped sorry it was so long :D








What is the difference between an independent variable, a dependent variable, and a control???
Independent and dependent variables are mathematical tools used in an experiment to keep track of what's going on. They allow you to maintain control over your experiment in a quantitative way. That is, using them, you will be able to measure your results and draw accurate conclusions.





Independent and dependent variables are related to one another. The Independent part is what you, the experimenter, changes or enacts in order to do your experiment. The dependent variable is what changes when the independent variable changes - the dependent variable depends on the outcome of the independent variable.
independent variables are inputs to a system (or equation). Dependent variables are outputs from the system that are determined from the input, or independent variable. Control variables are constants in the system throughout the experiment. Control variables are constant because the experimenter does not want the change in that variable to affect the outcome - they only want the dependent variable dependent on the independent variables as they change.
Independent variable is the variable that you purposely choose to change. Makes sense right, since its independent. For example, in an experiment you are observing the weight of the animal and you choose that you will provide food in different amounts and see what happens. In this case ';food'; would be the independent variable.





Dependent variable is the variable that changes BUT ONLY BECAUSE the dependent variable is changing. E.g. in the experiment mentioned weight would be the dependent variable.





Now controlled variable is the variable that you choose to keep constant. That could be the temperature of the place where animals are kept.





Hope that helps :)