目前,新型材料中合金材料占有很重要的地位,了解合金材料中各组分的质量分数对了解合金的性能有重要的意义。因此,组织学生设计并测定合金中的各组分的含量,不但是学习化学知识的过程,而且是培养学生实践能力的过程。一、活动目标1.知识与技能。通过活动,参与者了解了铝的性质,知道测定铝合金中铝的质量分数及相对原子量的原理,掌握实测数据的处理技能。2.过程与方法。通过活动,参与者了解了该活动 At present, alloy materials occupy a very important position in new materials. Understanding the mass fraction of each component in alloy materials is of great significance for understanding the properties of the alloy. Therefore, organizing students to design and determine the content of each component in the alloy is not only a process of learning chemical knowledge, but also a process of cultivating students’ practical abilities. First, the activity goals 1. Knowledge and skills. Through the activity, the participants learned the nature of aluminum, know the principle of determining the mass fraction of aluminum and the relative atomic weight in aluminum alloy, and master the processing skills of the measured data. Process and method. Through the activity, the participant learned about the activity