“探究蚯蚓适应土壤生活的特征”的教学设计

• 作 者: 蔡萍
• 机 构: 江苏省苏州市张家港梁丰初级中学,
• 出 处: 生物学教学
• 发表日期: 2014年09期
• 关键词: 蚯蚓 探究活动 概念 建构

改变探究活动的呈现方式,设计一些小问题、小活动,引领学生观察蚯蚓的外形、探究蚯蚓在光滑面和粗糙面运动的快慢和探究蚯蚓对湿度的反应,让学生从活动中概括蚯蚓适应土壤生活的特征,并自主建构概念。

Change the way of presentation of inquiry activities, design small problems and small activities, lead students to observe the shape of skeletons, explore the speed of movements on smooth and rough surfaces, and explore the response of dragonflies to humidity, so that students can summarize from the activities and adapt to the soil. The characteristics of life, and the concept of self-construction.