A complete 15-day roller coaster STEM project unit for Grades 4–8. Students design, build, test, and showcase their own coaster while mastering potential and kinetic energy, force and motion, and the engineering design process. 203 pages, fully scripted and standards-aligned. The Physics of Thrill begins with a question: what happens when you hand a class fifteen days, a pile of foam track, and a fistful of marbles? Students who beg to rebuild a failed track — because they finally understand th