1、山东省济南育英中学 于 莹,第七章 第一节 磁 现 象,闻歌起舞,磁 现 象,地理北极,地理南极,Click to add Title,在研究物理问题时，我们经常会遇到类似于“风”的事物，虽然看不见摸不着，但却可以通过它们对某些对象施加的影响来认识这些“神秘”事物。,方法启迪,磁 场,4,3,如果风把彩条吹向东方，我们就说风是向东吹的，同样，放在A点的小磁针静止时N极都被磁场“吹向”这个方向， 在物理学中就把这个方向规定为磁场的方向。,方法启迪,磁 场,4,探究磁铁周围其它点的磁场方向？,活动一,磁 场,温馨提示：将少量的铁屑均匀的洒在玻璃板上，再将玻璃板放在磁铁上。把看到的现象画下来。,探究
2、磁场的分布,磁 场,活动二,在磁感线上，任何一点的切线方向表示该点的磁场方向。,磁 场,小结： （1）磁场是真实存在的，但磁感线是人们为了研究问题方便而建立的一种模型。 （2）在磁体的外部，磁场方向总是从北极出发回到南极。 （3）磁感线反映了磁场的形状、强弱和方向。,磁 场,若你有一个磁性材料，你将怎样用它为生活、学习带来更多的方便？,小知识大应用,谢谢!,N S,N S,N S,S N,S N,磁悬浮列车原理示意图,N S,浮起,轨 道,推进,行进方向,磁 场,Diagram,Diagram,Diagram,Title in here,Title in here,Title in here,
3、Description of the companys productsDescription of the companys businessDescription of the companys technologyDescription of the companys contents,Description of the companys productsDescription of the companys businessDescription of the companys technologyDescription of the companys contents,ThemeG
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7、,Click to edit title style,1,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,3,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,2,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Cli
8、ck to edit title style,Click to add Text Click to add Text Click to add Text,Click to add Text Click to add Text Click to add Text,Click to add Text Click to add Text Click to add Text,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to add Text Click to
9、add Text Click to add Text,Click to add Text Click to add Text Click to add Text,Click to add Text Click to add Text Click to add Text,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,ThemeGallery is a Design Digital Content & Contents
10、 mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,A Group,C Group,B Group,ThemeGallery is a Design Digital Content & Contents mall develo
11、ped by Guild Design Inc.,Click to edit title style,Title in here,Title in here,Title in here,Description of the companys productsDescription of the companys businessDescription of the companys technologyDescription of the companys contents,Description of the companys productsDescription of the compa
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20、iagram 1 Click to edit sub text,1833年，英国科学家法拉第把磁体周围的这种物质命名为“磁场”，它是由磁体产生的。,迈克尔法拉第(Michael Faraday,1791年1867年),Diagram,Positioning,Products,Targeting,Marketing Plan,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Description of the contents,Description of the co
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26、gn Digital Content & Contents mall developed by Guild Design Inc.,Diagram,Diagram,2005.10 Add Your Text 2005.10 Add Your Text 2005.10 Add Your Text,2002,2003,2004,2005,Company History,2003.10 Add Your Text 2003.10 Add Your Text 2003.10 Add Your Text,2004.10 Add Your Text 2004.10 Add Your Text 2004.1
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32、k to edit title style,Cycle Diagram,Diagram,Diagram,Add Your Text,Add Your Text,Add Your Text,Text,Text,Text,Diagram,3-D Pie Chart,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Title,Text in here,Text in here,Text in here,Text in here,Diagram,Diagram,Title,T
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38、 Guild Design Inc.,Diagram,Title,Title,Title,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Add your text in here,Add your text in here,Add your text in here,Cycle Diagram,Diagram,70%,10%,5%,60%,25%,ThemeGallery is a Design Digital Content & Contents mall dev
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46、_50%,C Group,Product_38%,Diagram,Diagram,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design
47、Inc.,Description of the contents,Title in here,Title in here,Title in here,Diagram,Text in here,01.Title Add your text in here Add your text in here Add your text in here,02.Title Add your text in here Add your text in here Add your text in here,03.Title Add your text in here Add your text in here Add your text in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,
