Pfc. Hali Hall, student, Marine Corps Communication-Electronics School, makes slime with children during the Science Night at the Lifelong Learning Library Jan. 23, 2014. Hall's station demonstratedhow slime is made with the chemical reaction of food coloring, Borax and water. - Pfc. Hali Hall, student, Marine Corps Communication-Electronics School, makes slime with children during the Science Night at the Lifelong Learning Library Jan. 23, 2014. Hall's station demonstratedhow slime is made with the chemical reaction of food coloring, Borax and water.