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《比较水的多少》一课是在学生运用感官观察水、认识各种各样液体的基础上,进一步学习借助一些仪器来认识水。让学生通过活动认识到,比较液体多少的方法很多,在生活中可以根据需要灵活选择;让学生通过分析、比较,认识到利用量筒测量水的多少是最简便、最准确的。在本课教学中,要最大限度地启发学生积极参与科学实践活动,注重问题的探索性,留给学生充分
The lesson of “how much water is compared” is to learn more about water by means of some instruments, based on the students’ sensory observation of water and understanding of various liquids. Through the activities of students to recognize that there are many ways to compare the amount of liquid in life can be based on the flexibility to choose; allow students through the analysis, comparison, the use of measuring cylinder to realize how much water is the easiest and most accurate. In this course teaching, we should inspire students to actively participate in scientific practice activities, pay attention to the exploration of the problem, leaving students full