食物链英文版ppt课件.pptx

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1、FoodChain1此处下载一根项链，用语引出chain,进而引出foodchain/2Whatdoplantsneed?3thesunwaterairthesunlightthesoil4Wheredoestheenergycomefrom?Alltheenergycomesfromthesun.thesun5What’sinafoodchain?Whatisafoodchain?Whyareplantscalledproducers?Whatareconsumers?6Planteatersandmeateatersarepar

2、tofafoodchain.Mostfoodchainsbeginwithplants.Theplantsmakefood,whichanimalseat.Let’slookatafoodchain.7Plantsarecalledproducersbecausetheymaketheirownfood.Afoodchainshowshoweachlivingthinggetsitsfood.Animalsarecalledconsumers.8herbivoreAnimalsthatjusteatplants.carnivoreA

3、nimalsthatonlyeatplants.omnivorePeopleandanimalsthateatboth.consumers9101112此处是练习，把一些动物和植物进行分类，分三类，食草，食肉和杂食要求能够拖拽。13Lookatthefoodchain.14Agrasshoppereatstheleavesofaplant.Thegrasshoppergrowsbigger.Afrogeatsthegrasshopper.Thefroggrowsbigger.grasshopper15Afisheatsthefrog

4、.Thefishgrowsbigger.16Asmallbearcatchesthefish.Thebeareatsthefish.Thebeargrowsbigger.17plantsgrasshopperbearfrogfish此处用箭头图片和文字表示他们之间的关系、Itlookslikethis18以问题的形式引出foodwebDoyouonlyeatonetypeoffood?19展示一张foodweb的图片20给出2到三个的foodweb让学生自己去连线比如：ArcticfoodwebWoodlandfoodwebRive

5、randseashore21随堂测试22把以下四个句子排序23家庭作业Homework2425Thankyou26此课件下载可自行编辑修改，供参考！感谢您的支持，我们努力做得更好！