I just don’t have a clear picture of what to do. I’ve heard that statement a time or two, and I work with teachers to try to answer it. Like most challenges you face, there’s no magic formula, but I’ll share a list of tips I try to remember when I’m writing STEM lessons. This is not a comprehensive list (despite my MiddleWeb editor’s fanciful title for this post). Engineering is Elementary. Teachengineering.org. eGFI - For Teachers. Force, Motion, Energy, and Math.