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教材分析1《.岩石的组成》这节课要让学生形成的科学概念主要有两个方面:一是让学生认识常见的几种矿物,知道岩石是由一种或几种矿物组成的;二是利用工具,让学生通过多种途径发现岩石的成分,培养其观察身边矿物的浓厚兴趣。了解学生关于岩石组成的初始概念,并运用多种教学方法向科学概念转变,是本课的重点和难点。
Textbook analysis 1 “composition of the rock” This class to make students to form the concept of science there are two main aspects: First, let the students know several common minerals, that the rock is composed of one or more minerals; two Is the use of tools that allow students to discover the composition of rocks through a variety of means and to cultivate their keen interest in observing nearby minerals. Understanding the student’s initial concept of rock composition and using a variety of teaching methods to transition to a scientific concept is a key and difficult point in this lesson.