教学目的:1.知识与技能:(1)理解密度的概念,知道密度是反映物质属性的物理量,了解常见物质的密度大小;(2)借助密度的测量进一步深化学生对密度概念的理解;(3)试着用密度知识解决简单的问题,并解释一些与密度有关的生活现象;(4)学会使用量筒。2.过程与方法:通过探究活动,学会测量液体和固体的密度。3.情感、态度与价值观:(1)激发学生对科学的探究欲望,培养学生正确的科学 Learning Objectives: 1. Knowledge and skills: (1) To understand the concept of density and to know that density is a physical quantity that reflects material properties and to know the density of common materials; (2) To further deepen students’ understanding of the concept of density by measuring the density; 3) Try to solve simple problems with density knowledge and explain some of the density-related phenomena in life. (4) Learn to use graduated cylinders. 2. Processes and Methods: By exploring activities, learn to measure the density of liquids and solids. 3 emotions, attitudes and values: (1) to stimulate students desire to explore the science, students develop the right science