食物链_英文版_Food_chain.pptx

Food Chain;此处下载一根项链，用语引出chain,进而引出food chain/;What do plants need?; the sun;Where does the energy come from? All the energy comes from the sun.;What’s in a food chain? What is a food chain? Why are plants called producers? What are consumers?;Plant eaters and meat eaters are part of a food chain. Most food chains begin with plants. The plants make food, which animals eat. Let’s look at a food chain. ;Plants are called producers because they make their own food. A food chain shows how each living thing gets its food. Animals are called consumers. ;;;;;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。;Look at the food chain.;A grasshopper eats the leaves of a plant. The grasshopper grows bigger. A frog eats the grasshopper. The frog grows bigger. ;A fish eats the frog. The fish grows bigger. ;A small bear catches the fish. The bear eats the fish. The bear grows bigger. ;plants;以问题的形式引出food web Do you only eat one type of food?;展示一张food web 的图片;给出2到三个的food web让学生自己去连线 比如：Arctic food web Woodland food web River and seashore ;随堂测试;把以下四个句子排序;家庭作业Homework;Thank you