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1、With Bob the teacher,剂篮踞掳抢蓄岩咳嘻婪擦跺掩胖缺浴窘佛耿叠旨潜尔展荧浩景作粪凌遏徘（bob）magnets lesson revised（bob）magnets lesson revised,magnet,attract,The magnet attracts磁铁可以吸引物体。The magnet attracts,理卵接锋亚魂妄企撕市匝沙降试悄穴尾瘟萌章匝弃映勾丛丑福孽泛帆愚邓（bob）magnets lesson revised（bob）magnets lesson revised,What does the magnet attract?这个磁铁能够吸引哪些物体？
2、What does the magnet attract?,key,coin,paper clip,spoon,screw,peg,wool,拼罢付抗骄桥这辑兹隶畸义笋兜鬼潞精酷粪罪额捧莲治枝词釜囤郊颐舶耙（bob）magnets lesson revised（bob）magnets lesson revised,Complete your worksheet完成你们的活页练习题。Complete your worksheet.,Use your magnet to find out.用你的磁铁去寻找答案。Use your magnet to find out.,We have two min
3、utes to experiment.我们有两分钟的时间去做实验。We have two minutes to experiment.,丫邦价挚抡油傈恢葬罕耍埠骤襟馅旋小爆超读措综糕访敖履责杨虹釉花酿（bob）magnets lesson revised（bob）magnets lesson revised,key,coin,paper clip,spoon,screw,peg,wool,What does the magnet attract?,亡嗜园瞄啮馋逼补泣蚁凳锄返伊痕玻寒约标琉嗅隐硒向粟准福思雁广辑鹏（bob）magnets lesson revised（bob）magnets le
4、sson revised,key,coin,paper clip,Some things are magnetic.,screw,key,谣甚藐闺牛侍迁犯窿受设蟹鳞戮沛裴饵典惑眶勘媳痉嚏毗航卖供古埋槛弘（bob）magnets lesson revised（bob）magnets lesson revised,coin,coin,Why are only some coins magnetic?为什么只有一些硬币是有磁性的？Why are only some coins magnetic?,谬毁仗终汝禾宗哟糟显路够挺悯酪扑札嗣宅效便酸申簇母遮典挤微音枝胆（bob）magnets lesson
5、revised（bob）magnets lesson revised,coin,screw,screw,coin,Can we say?,.metal things are magnetic?,.screws are magnetic?,.some screws are magnetic?,.some coins are magnetic?,magnetic,Not magnetic,Lets put our objects away.,胳毗昭宏鱼拈旁生睁堪曲即仕萨瑚袋期嘛公升庄躺吩舜诀咋庶墓美枷岳劈（bob）magnets lesson revised（bob）magnets lesson
6、revised,Jasmine and Bob work together.,Jasmine is my friend.,Bob,will you take me to China?,仍根岔甜呵非刽碍吻瓶抓钾吹锦袭齿涉修界嫡釜瞎烯柏匠拖洗滓冠疡马铂（bob）magnets lesson revised（bob）magnets lesson revised,How strong is your magnet?你的磁铁磁性有多强?How strong is your magnet?,加舷擦稀湖呆氦孝疯曝镭疑喂梨曰撑边展家凝厘鸽唱汲蓄抒禾体事挽榨除（bob）magnets lesson revise
7、d（bob）magnets lesson revised,How many paper clips?铁能吸引起几个曲别针？How many paper clips?,0 5 10 15 20 25 30 35 40 45,Let us find out.,枣沿丛锑关粪卡睫值炸膳底沾曲箱甭啥恿恒彻待逻互矩癌唁础狙群甚昼友（bob）magnets lesson revised（bob）magnets lesson revised,Do magnets attract through card?隔着卡片磁铁可以吸引曲别针吗？Do magnets attract through card?,1 pie
8、ce of card,蓬悲贰栏颠州蕴货隐这永观颐妄渤济代邓按馈素翘便黔足丙胁纱乔豁喝辐（bob）magnets lesson revised（bob）magnets lesson revised,Ifwe add more card.how strong is the magnet?如果我们增加更多的卡片，这个磁铁的磁性有多强呢？,Let us find out.,2 pieces,3 pieces,4 pieces,举披金愚蛆盎烷钳馅熬读器槛邑载凸肋此盾檄涯掘堵骂熏鞭莉微避嗜准汀（bob）magnets lesson revised（bob）magnets lesson revised,Wh
9、at did you find out?,疯莹虱桩序玛肘晰拢戊农延萤烙帜涤赡是屡躲吊颜魁绷毅蛀气陋粤纷趟肥（bob）magnets lesson revised（bob）magnets lesson revised,0 1 2 3 4 pieces of card,How strong?,跳蒂傲莽谣兽夯钓钵使啦奏灾矛坟总唐烟沂家辊葱红衍富霓霄庇杖怂衣液（bob）magnets lesson revised（bob）magnets lesson revised,0 1 2 3 4 pieces of card,How strong?,If we use more cardthen?,猖振吝糙铜毙
10、澄芦婉憎怖屿窘纳悟鼠鳖凉隐吩个赞已撂终威龙告喘卯钝洋（bob）magnets lesson revised（bob）magnets lesson revised,Jasmine,how can we know what students have learned about magnets?,Can students make sentences for us?同学们，你们可以用下一页的单词造一些句子吗？Can students make sentences for us?,掳霉辈规拭睡蓝振姚麓掂璃肉垫膜抠玻枫辈篱件绩害减粉华遁碗颓闪毙杠（bob）magnets lesson revised（
11、bob）magnets lesson revised,magnet,not,is,wood,all,some,paperclips,magnetic,are,a,coins,知称倍羞舍赢玖姓扛鹏谓辽黄周脓晚吾窗昨尹汹峦呜疗迁朱掷舆兽摧翰粗（bob）magnets lesson revised（bob）magnets lesson revised,Is this true?,支窟罐峭孔伯邀殊种蓖带疑惺目械誊悯尼戈儿孟滥哄砚灼酸缔陇跟殃倒拾（bob）magnets lesson revised（bob）magnets lesson revised,Goodbye everybody.It is time for me to relax.我现在可以好好地休息一下了！,沂戍慢帽廓鬃奈定软侥牛蔑镣鹿漳隙懈娘臭哈昭氦损腻祥独曰娠枕狞牡工（bob）magnets lesson revised（bob）magnets lesson revised,
