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Thinking Like a Scientist:
      Why Don’t Some Popcorn Kernels Pop?


















              Do Research and Develop a Hypothesis






                    Once scientists have a question, they need to


                                        n. an idea that can be tested to see if it is true or not
              state a hypothesis. A hypothesis is often an if-then
                                   hypothesis



              or cause-and-effect statement. Consider your



              popcorn again. You want to determine the cause of





              unpopped kernels.  How is a hypothesis often expressed?



                                                                       A hypothesis is often expressed as an if-then

                                                                       or cause-and-effect statement.
                                                                Unit 8 | Thinking Like a Scientist: Why Don’t Some Popcorn Kernels Pop?
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