背景分析:本课是六年级上册《设计与制作》中的第一课。《设计与制作》是过程与方法显性化的一个单元。本课的内容主要是对科学探究中的“设计”环节进行重点训练,通过一系列活动,引导学生理解设计在人们的生产和生活中具有非常重要的意义。在此基础上学会设计一只小船,并知道 Background Analysis: This lesson is the sixth grade in the first book “Design and Production” in the first lesson. “Design and production” is a unit of process and method dominance. This course mainly focuses on the “design” of scientific inquiry. Through a series of activities, it leads students to understand that design has a very important meaning in people's production and life. On this basis, learn to design a boat, and know