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Science: Mystery Powder Challenge

posted Dec 5, 2013, 12:49 PM by Unknown user
Wow!  Today was exciting.  Mrs. Hersey gave us the final challenge in our science unit to identify two white powders mixed together.  We could use our observation records from our previous experiments to help us.  First, we needed to decided which experiments/tests would give us the best evidence.  Then, we were allowed to do three other tests as well as our observation of the physical properties.  We reviewed controls and variables, and the purpose of multiple trials, then set to work conducting our experiments.
                                    
                                               
        








Next, we charted our results from the multiple trials to compare.  It was surprising to see how we did agree on our conclusions.  Then Mrs. Hersey told us the contents of  powder mixtures.  We had the correct results! YEAH!

       
                                               
                 

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