HowTo: Family Edition › Kids › Science Experiments › Electricity Magnetism › How To Make A Compass

如何制作一个简单的指南针

如何制作一个简单的指南针 — Practical science experiments guides from the Kids lane. HowTo: Family Edition: family how-tos that actually help.

所需材料
磁化针
设置指南针
理解科学原理

How to build a simple electromagnet · How to build a potato battery · How to create static electricity experiments · How to build a simple electric motor · How to build a simple seismograph · How to make a compass from a needle and magnet · How to test which materials conduct electricity · 如何建造后院堡垒 · 如何组织一次邻里寻宝游戏 · 如何通过玩耍来锻炼你的韧性肌肉