一、说教材1 .教材分析本节课是一堂复习课 ,在复习了海水基本物理性质的基础上 ,复习海水的运动 ,而海水的运动形式和特征 ,又是进一步复习海洋资源开发的基础 ,因此本节教材在本单元中起着承上启下的作用 ,是海洋一节的重点。本节课包括四个方面的内容 :海水运动形式 ,洋流的 I. Teaching Materials 1. Analysis of Teaching Materials This lesson is a review class. Based on the review of the basic physical properties of seawater, the exercise of seawater is reviewed. The forms and characteristics of seawater exercise are the basis for further review of marine resource development. Therefore, this section of the teaching materials plays a role in this unit and is the focus of the section of the ocean. This lesson includes four aspects: the form of seawater movement, ocean currents