一、活动前期思考(一)活动来源蚕茧、丝绸、丝棉在我们桐乡是十分常见、随手可得的物品。大班幼儿在前期活动中已积累了一些养蚕的知识和经验:看长辈们饲养过蚕,也参与过喂养和观察。了解了蚕宝宝的生长过程和生活习性等。教师在充分考虑幼儿的已有经验和需要的基础上设计了本 First, pre-event thinking (A) Source of activity Cocoon, silk, silk cotton in our Tongxiang is very common, readily available items. Older children in the early activities have accumulated some knowledge and experience in sericulture: see elders fed silkworms, but also involved in feeding and observation. Understand the growth process of silkworms and living habits and so on. Teachers have designed this book on the basis of giving full consideration to the existing experience and needs of young children