3 End of the Year STEM Challenges - Mini Golf Course (Hole in One) Challenge, Balloon Rocket Car Challenge, and Trampoline Challenge. Each STEM Challenge has photo examples, a list of materials needed, prediction section, brainstorming section, trials 1, 2, & 3, final results section with drawings, and a reflection section.This resource has science, technology, engineering, and measurement activities to do with your upper elementary kids that will really get their brains going during the en