省英语优质课Melting-ice教学课件.pptx

外研社英语分级阅读多维阅读16级Changes of sea ichat are the changes of sea ice? Warm upWhat’s the animal in the picture? a polar bearWarm upWhat does a polar bear look like? Where does it live? What does it eat? What else do you know about the animal? Relationship 关系Read Section 1 and find the answerWhat’s the relationship between melting ice and polar bears?Why?Why?What’s the relationship between melting ice and polar bears?The melting ice makes polar bears______.Is there enough food for polar bears on the land? What are the results of the lack of food(食物缺乏)? What should they have in their bodies to keep(阻止) them from getting hungry?Guess: Where else will they go to find food ? Read Section 3 and find the answerWhat will people do with (处理)them?If you live in the town, do you like the bear’s visit? Polar bear jailDo you think a jail for polar bears is a good idea? Why？Every kind of animal is important!Read Section 4 and answer: What do the scientists do to help polar bears?Read Section 5 and answer what is the most important test and why？The future？Scientists’ helpPolar bear’s experienceAlmost no iceWhat did the writer say about the bears’ future?The futureScientists’ helpPolar bear’s experienceChange their future !Find the source(寻源)Global warmingMelting ice Find the source(寻源)Human activityGlobal warmingMelting ice The effects(影响) of global warmingIn the face of global warming, what should we do?Some useful expressions:We should/can… so that ….We shouldn’t…Because…If/Unless…, …will…Stop doing No doing Don’t doLet’s doEvery little helps!(点滴都有用)To protect the earth and the animals is to protect ourselves!HomeworkOption One: Work in groups of four to make a poster introducing an endangered animal.Option Two: Search for the reasons for ice melting and think about possible solutions. Polar bear’s experienceScientists’ helpPolar bear’s experience142536Polar bears have an important place in the world. Why?nature—food chain---balancePeople and animals are all part of the