How Are Control Groups Used In Experiments? : Scientific Method Book for Kids Grade 5 Children's Science Experiment Books (eBook, ePUB)
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There are so many terms used in experimentation. It is important that these terms be sufficiently explained so that a child learner may know when and when not to use them. Here, the focus is to appreciate control groups. How are they used and why are they important are just two of the questions that will be answered in this book.
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