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《食物链》一课,在以往的教学中,我们一般采取让学生自己动手画一画,或拿卡片摆一摆,从而得出食物链与食物网两个概念来。然而在课后与学生的交谈中,我发现学生的认识只停留在一个平面上,没有一个整体深刻的印象。经过反思,我在教学设计中,加入一个“找朋友”的环节,经过几次课堂实践,还真取得了意想不到的教学效果。我的具体做法是这样的:首先,将全班同学分成5个小组(每10人为1组),每个同学准备3至4根绳子,分别围成5个圆圈;接下
In the “Food Chain” lesson, in the past, we generally took the students to draw a picture or take a card, so as to obtain the concept of food chain and food network. However, in the conversation with the students after class, I found that the students’ knowledge only stayed on one plane, and there was not an overall deep impression. After reflection, I added a link to “find a friend” in the teaching design. After several classroom practices, I really achieved unexpected teaching effects. My specific approach is this: First, the whole class is divided into 5 groups (1 group for every 10 people). Each classmate prepares 3 to 4 ropes to form 5 circles respectively;