(接上期)活动三蚕宝宝在长大(5月13日)目标:1通过观察,知道眠和蜕皮是蚕生长过程中的重要特点。2学习运用测量工具及辅助材料,比较三龄蚕、四龄蚕、五龄蚕在身体大小上的区别,尝试用多种方法进行测量。3在实验过程中注意爱护蚕宝宝,做到轻拿轻放。准备:1将三种不同发育阶段的蚕 (Connected) Activity Three baby baby is growing (May 13) Objectives: 1 Through observation, sleep and molting know is an important feature in the growth of silkworm. 2 Learning to use measurement tools and supporting materials to compare the difference between body size of the third instar silkworm, fourth instar silkworm and fifth instar silkworm, try to use a variety of methods to measure. 3 in the experiment pay attention to love silkworm baby, so gently. Preparation: 1 will be three different stages of silkworm development