“海水的盐度和温度”的教学设计□扶金容（广东从化中学教材分析］海洋水是全章重点之一，包括海水的盐度和温度与洋流两部分内容。海水的盐度和温度是表示海水性质的重要指标，也是区分不同性质洋流的重要标志。了解海水的盐度和温度是探索海洋的前提，学习洋流的基础。... Teaching Design of “Salt and Temperature of Seawater” □ Fu Jinrong (Material Analysis of Guangdong Conghua Middle School) Ocean water is one of the key points of the entire chapter, including the salinity of seawater, temperature and ocean currents, and the salinity and temperature of seawater. It is an important indicator of the nature of seawater, and it is also an important symbol to distinguish different types of ocean currents. Understanding the salinity and temperature of seawater is the premise for exploring the ocean and the foundation for learning the ocean current....