Answers

2014-06-25T15:57:01+08:00
Variables are an important part of science projects and experiments. What is a variable? Basically, a variable is any factor that can be controlled, changed, or measured in an experiment. Scientific experiments have several types of variables. The independent and dependent variables are the ones usually plotted on a chart or graph.
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dependent and independent Variables
2014-06-25T15:59:33+08:00
--factors and condition in an experiment who effect is being tested

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