Abstract Starting from the complaint of white shirt, this paper creates a real life situation, explores the formation and characteristics of solution, emulsion and suspension in the order of dissolution and emulsification knowledge, so as to let students know the principle and application of dissolution and emulsification phenomenon, and solve some simple practical problems related to it. The idea that chemical knowledge comes from life and serves life is realized.
YANG Xiang-Tao. Junior High School Chemistry Teaching Design Based on Real Life Situation: Dispersion of Substances in Water[J]. Chinese Journal of Chemical Education, 2020, 41(23): 22-26.