本文根据学习动机、从众效应、罗森塔尔效应、最近发展区、首因效应、激励效应等心理学原理,结合初中科学课程有效教学的实践,作了有益的初步探索. Based on the psychology of learning motivation, follow-up effect, Rosenthal effect, the recent development zone, the first cause effect and the incentive effect, combined with the practice of effective teaching of junior high school science curriculum, this article makes a useful preliminary exploration.