Lesson 16 Make a magnetic levitation pen holder 第十六课 制作磁悬浮笔架 1 Questions and guesses 问题与猜测 2 Why can they hover in the air? 为什么他们能悬浮在空中呢? 3 Can you let my pen hang? 能让我的笔也悬浮起来吗? 4 Explore skills 探究技能 5 Seeing the phenomenon of toy levitation, the thought that there may be magnets inside the toy is speculation. 看到玩具悬浮的现象,想到玩具里面可能有磁铁,就是在猜测。 6 Explore and practice 探究与实践 7 Design magnetic levitation pen holder. 设计磁悬浮笔架。 8 These materials and tools are required 需要用到这些材料和工具 9 Ring magnets, small cartons, art knives, straight feet, double-sided glue, pencils, plastic strips 环形磁铁·小纸盒·美工刀·直尺·双面胶·铅笔·塑料条 10 Make a maglev pen holder. 11制作磁悬浮笔架。 12 Method guidance 方法指导 13 When installing the magnets, the north and south poles of the magnets should be oriented in the same direction. 安装磁铁时,磁铁的南北极方向要一致。 14 Debug the position of the two magnets on the pen cartridge until the pen barrel can be suspended. 调试笔筒上两块磁铁的位置,直到笔筒能悬浮。 15 Expand and innovate 拓展与创新 16 Evaluate and improve our work. 对我们的作品进行评价与改进。 17 I can do more beautiful. 我可以做的更美观。 18 What if I add a few more magnets to the base? 底座上再加几块磁铁会怎样? 19 Using the nature of the magnet, what else can be made? 利用磁铁的性质,还可以进行什么样的制作。
|
Powered by Discuz! X3.4
Copyright © 2001-2020, Tencent Cloud.