微信扫一扫,移动浏览光盘
简介
Will a magnet pick up a paper clip or a feather? The answeris, just the paper clip. Magnets only pick up things that containbits of iron. In this new addition to the Let's-Read-and-Find-OutScience series, veteran author Franklyn Branley explains theproperties and behavior of magnets. True Kelley's charmingillustrations will entertain readers as they discover forthemselves what makes a magnet. Hands-on activities include makinga magnet and compass.
目录
What Makes a Magnet? 自然科学启蒙2：磁铁是怎么形成的？ISBN9780064451482
- 名称
- 类型
- 大小
光盘服务联系方式: 020-38250260 客服QQ：4006604884
云图客服：
用户发送的提问，这种方式就需要有位在线客服来回答用户的问题，这种 就属于对话式的,问题是这种提问是否需要用户登录才能提问
Video Player
×
Audio Player
×
pdf Player
×
