《食物从何处来》教案设计山西／李云川《食物从何处来》一文中，“食物”的概念应是本课的难点。怎样让学生明白“科学概念和日常概念并不都是一致的”。我对此设计了如下教案：（１）出示小黑板（以引起学生的注意）：（２）提问：指出哪些是食物？（３）提问：“尸体”... “Where Food Comes From,” The lesson plan is to design Shanxi/Li Yunchuan, “Where food comes from”, the concept of “food” should be the difficulty of this lesson. How to make students understand that “science concepts and everyday concepts are not all consistent.” I designed the following lesson plans for this: (1) Presenting a small blackboard (to draw the students’ attention): (2) Question: What are the foods? (3) Question: “corpse”...