一、教学目标1.认知目标:使学生了解牙齿的部位、名称及龋齿是怎样形成的。了解爱护牙不齿的一般常识。2.技能目标:掌握正确的刷牙方法。3.情感目标:通过本节课学习让孩子懂得养成爱护牙齿良好习惯的重要性。二、教学重点与难点1.重点:懂得爱护牙齿的重要性2.难点:掌握正确的刷牙方法三、课前准备1.教师准备:(1)牙齿模型;(2)课件;(3)醋泡鸡蛋实验;(4)奥利奥饼干;(5)漱口烧杯 First, the teaching objectives 1 cognitive goals: to enable students to understand the location of the teeth, the name and how the formation of dental caries. Understand the common sense of desecration. 2. Skills Objectives: to master the correct method of brushing. 3. Emotional goals: Through this lesson to let children know how to develop good habits of dental care importance. Second, the teaching of the key and difficult 1. Important: Understand the importance of dental care 2. Difficulty: grasp the correct method of brushing Third, the preparation before class 1 teacher preparation: (1) dental model; (2) courseware; (3) vinegar Bubble egg experiment; (4) Oreos cookies; (5) mouthwash beaker