The fourth edition of the textbook version of the science lesson, the fourth unit of rock and mineral teaching design, the fourth unit of rock and minerals 1, a variety of rocks? Scientific concepts 1, to induce students to the original understanding of rock, establish a preliminary concept of rock Rocks are various, and have their own characteristics in terms of color, pattern, hardness, weight, particle size, and feel. 2. Rocks can be divided into different categories according to different characteristics. 3. Different classification standards may have different classification results. ? Process and method 1. Students can gain personal experience in finding rocks nearby in the form of individual participation or group participation. 2. In the classroom, you can comprehensively use the senses to directly observe the rock, let the children experience the activity process of observing the characteristics of the rock, and acquire the basic methods and skills of observing the rock. And can describe the rocks they observe. 3. Rocks can be classified based on certain characteristics of rocks.
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