PREVIEW AVAILABLE!LIKE WHAT YOU SEE? CHECK OUT OTHER STEM RESOURCES IN MY SHOP!I've redesigned and cleaned up all of my 50 stem labs in this new version. What's new? They're cleaner looking and a bit prettier. Along with new cover graphics, they also have new category tags that allow you to cross-reference them with other labs, so you can work with similar materials or themes. These indexes and alphabetical listings are a huge bonus! This is the kind of thing you'll want to print, hole-punch, an