Are you looking for fun Christmas science activities for the periodic table and atomic numbers? These engaging science mystery detective worksheets are the perfect way to learn atomic numbers, atoms, and structure during Xmas and December with Santa.Mini STEM Mysteries are designed to be done in one class period. There are 5 x Science Mysteries in this pack. At the top of each page is a story to set the scene of the Christmas mystery, students then answer 16 questions to narrow down the suspects