Transform your science classroom into a vibrant hub of engineering and discovery with this Comprehensive Simple Machines STEM Unit! Are you looking for a way to make abstract physics concepts like force, work, and mechanical advantage tangible and exciting for your students? This complete, 5-week unit is your all-in-one solution, meticulously designed to guide 3rd, 4th, and 5th-grade students from theory to hands-on creation. This isn't just a collection of worksheets; it's a full pedagogical j