设计意图: 自选游戏时,孩子们发现卡片后面有一块黑黑的东西,有经验的孩子说这是吸铁石,我顺势告诉孩子们这叫磁铁。当我追问“磁铁能干什么”时,许多孩子告诉我“能吸铁做的东西”。我决定让孩子们在幼儿园寻找“铁制品”,结果孩子们找来了积木、手工纸、卡片、镜子、VCD片等,于是,我设计 Design intent: During the game of choice, children find a black piece behind the card. Experienced children say this is a magnet. I told my children that this is a magnet. When I asked “what can a magnet do,” many children told me “what to do with iron.” I decided to ask the children to look for “iron products” in kindergarten. As a result, the children got bricks, handmade paper, cards, mirrors, VCDs, etc. So I designed