If you have middle school aged students, these STEM projects for middle school will be great additions to your collection of STEAM activities for kids. Fun STEM Projects for Middle Schoolers! Are you looking for a way to keep your middle schooler entertained and engaged? Check out these fun STEM projects that will teach them about science, technology, engineering, and math. From aquaponics to bridge building, there's something here for everyone. So get ready to have some fun while learning!