Kemtec®. Students determine the relative effectiveness of sunscreens with different sun protection factor (SPF) ratings and can compare their own sunscreens against the samples provided. Comprehensive instructor's manual explains the different types of ultraviolet light A, B, and C; how they damage skin; how sunscreen works; and even reveals the molecular structures of common sunscreens. Sun protection factor (SPF) is also explained. Materials are sufficient for 24 students working in 6 groups of 4.
DOT Class: Chemical Kit
