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Finding needles in haystacks

 

作者: James D. Livingston,  

 

期刊: The Physics Teacher  （AIP Available online 1998）
卷期: Volume 36, issue 1  

页码: 52-52

 

ISSN:0031-921X

 

年代: 1998

 

DOI:10.1119/1.879964

 

出版商: American Association of Physics Teachers

 

关键词: magnets;experiments with magnets

 

数据来源: AIP

 

摘要:

There are many different approaches to teaching K-12 science. With so many possibilities, picking the best approach is like trying to find a needle in a haystack — very difficult, unless you use magnets.

 

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