用磁铁钓鱼是一件很有趣的事。通过这个钓鱼游戏,你可以观察磁铁的作用力。在进行这个游戏之前,让我们先来做一些准备工作——做一根钓鱼竿和一些鱼。制作材料:环形磁铁(中间带孔的小磁铁)、几张薄纸板、曲别针、木棍和细绳、胶带、剪刀、水彩笔、浅水盆。制作方法: 1.在不同颜色的纸板上画出一些鱼的形状,然后用剪刀把它们剪下来。 Fishing with a magnet is a very interesting thing. Through this fishing game, you can observe the magnet's force. Before proceeding with this game, let's do some preliminary work - make a fishing rod and some fish. Materials: Ring magnet (small magnet with holes in the middle), several cardboards, paperclips, sticks and strings, tape, scissors, watercolor pens, shallow basins. How to make it: 1. Draw the shapes of some fish on different colors of cardboard and cut them with scissors.