Distingush between a variable and a control.?

What is the Scientific Method? It is a series of steps used to help solve a problem.





Step 1. Define the problem. Make sure only one problem is being studied.


Step 2. Research the problem. Use all available resources to collect data on the subject being covered. Libraries, Internet, books, magazines, personal interviews, etc.


Step 3. Develop a hypothesis ( educated guess ). Make it a short definitive statement. It should be an ';if'; then'; statement. The if part will become the hypothesis and the then part should be the results received at the end of the controlled experiment. Remember your hypothesis can be changed it is not formed in concrete.


Step 4. Develop a controlled experiment. A controlled experiment is an experiment that contains only one experimental variable. An experimental variable is the thing being tested. Everything else in the experiment or all other variables, must be the same. These variables are also called the controlled variables. Keeping these variables the same allows the experimenter to show that it was the experimental variable that caused the results.


Step 5. Analyze the data and come up with a conclusion. The conclusion may or may not support the hypothesis. Additional experimentation must then take place to build documentation concerning the problem. If the hypothesis is proven wrong, change the hypothesis, not the data.Distingush between a variable and a control.?
the variable is the thing you want to do an experiment on. that is, you subject them to tests and you compare them to the control.





A control is usually the natural state of the thing you are experimenting. And the variable/s are the changes you make to the control. this enables you to attribute the change you made with the variable by comparing it with the control.Distingush between a variable and a control.?
a variable is something that will change during the experiment and the control will stay the same throughout the experiment
variable has constant change


constant never changes and is the benchmark in which to measure or compare the variable to.
In a control all conditions are kept constant. In a variable all conditions except for one are kept constant. The variable condition is altered and the outcome of this condition is compared with that of the control. That is the scientific method of determining whether that one variable factor had any effect on the whole system.

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