Unit 5 Amazing nature 第5课时 Developing ideas 课件- 2025-2026学年外研版七年级英语下册

Unit 5 Amazing nature 第5课时 Developing ideas (写作) 外研版·七年级下册 Let’s review Problem Cause Solution What problems do the natural wonders face? Why do these problems happen? How can people deal with them? Become smaller Deforestation/ Over-farming Fewer glaciers than before Take too much water Cut down trees for wood/ Make space for farming Global warming/ Climate change Stop climate change Stop cutting down trees Take less water Sharing time Sharing your findings about other natural wonders which are crying for help. Which natural wonder is it? What is it like? What problem does it face? What should people do? Example: The lung of earth -Amazon rainforest Writing task Write a short paragraph about another natural wonder crying for help. You may follow the steps … Think of some natural wonders with problems. Choose one to write about. You can consider the following: Step 1 北极 the North Pole the South Pole 南极 getting warmer; the ice bergs are melting (融化) Victoria Falls water is reduced (水量减少); is likely to dry up 维多利亚瀑布 the Amazon River 亚马逊河 pollution; rainforests are cut down the Great Barrier Reef 大堡礁 pollution; corals are dying Complete the boxes. Step 2 I choose … It’s… /It’s like… It faces/ has a problem of pollution/ disappearing… People should not litter or throw waste … You can refer to the following sentence patterns for your response. Here is a sample Which natural wonder do you choose? I choose the Amazon River. What is it like? It’s a very big and important river, full of life. What problem does it face? It faces a problem of pollution from factories and people. This makes the water dirty and can harm the animals and plants. What should people do? People should stop throwing waste into the river and reduce industrial pollution. They should also try to clean up the river and protect the environment. Write the short paragraph in the first person. Use the boxes to help you. Step 3 Tips: proper, logical, organized I, the Amazon River, am in trouble. I am a big river, full of life. In fact, I’m one of the largest rivers in the world. I run through the Amazon Rainforest. I give water to it. But now, I am facing problems like pollution and climate change. I’m getting dirtier and the amazing life around me is dying out. It will change the balance in nature and harm all the life, including you, humans. Hear my cries, and help me now! You should stop throwing rubbish in the water and help take care of the forest. Sample writing include all the information in the boxes? use the words and expressions from the reading passage? point out the importance of protecting nature? Step 4 Check. Did you: Share your paragraph with the class. Step 5 Items Details Content Language Logic Include all the information in the boxes. Use the words and expressions from the reading passage. Point out the importance of protecting nature. There are no grammar mistakes. Write in the first person. Use comparative or superlative adjectives or adverbs Give logical and helpful solutions. “Seeking development from the height of harmonious coexistence between man and nature.” Homework Polish your writing according to the evaluation form. Write a paragraph about another natural wonder crying for help. Lavf58.20.100 Packed by Bilibili XCoder v2.0.2 $You're traveling down the amazon when suddenly you spot a flash of pink. It's a male amazon river dolphin. It's thought that the paper he is, the more attractive he will be to a potential mate. This unique dolphin species is native to the amazon and its future is imperil. As of twenty, twenty two humans have divorced seventeen percent of the amazon. And scientists warned that we may be approaching a tipping point when enough of the forest is lost, the large lost, that the ecosystem die. It's like removin bricks from a house. Take one or two, and the house will keep standing, but removed too many, and the whole day will start to cave in. What happens in the amazon affects the rest of the planet. To explore this relationship, let's examine what happen if the entire amazon disappeared. The amazon is sometimes called earth air conditioner. Each day the sun beats down on its three hundred ninety billion trees, the plants voter sympathy, opening their pores and losing water to evaporation. This process, known as transpiration, calls both the plant and the surrounding air and helps born clouds that move over the forest. Through this, the amazon cycles around twenty trillion leaders of water daily. If the rain forest disappeared, there would be a little transportation to feed the rain clouds. The heat from the sun would radiate back into the atmosphere. Warming chimes of hot, dry air. The local temperature would increase by several degrees in rain, following the region would drop crops and animals would die as the area home ed to ten percent of the world's knowing species and thirty million people transforms. Villages would be stranded as rivers dry up. Dead fish would contaminate the drinking water. Air quality would plumitas wildfire spread. In fact, we've already started to see this during recent drought. And effects, which stretch far beyond the amazon air, circulates around the planning. So any changing temperature of pressure in one region can influence currents and wins thousands of kilometers away. These effects are hard to predict. Some models estimate that losing just forty percent of the amazon would reduce rainbow in the agricultural center of argentina over three thousand kilometers away. The complete disappears of the rainforest and its water cycle could cause fifty percent of the snowpack to melt in the year, and a oas hundred twenty percent reduction and rainfall in the coastal northwest. United states. California central valley, which grows a quarter of the U. S, S. Food, could face windom water supplies. We lose one of the world's largest natural carbon. six. Some scientists estimate that temperatures worldwide would rise an additional point two five degrees salcido above current climate predictions. And while that might sound small, even a slight rise in global temperature can increase severe weather events and habitat at loss. It's a tragic irony that part of what makes the amazon so valuable is also the source of its destruction. By some estimates, exploiting the brazilian amazon for farming, cattle ranching and more generates the equivalent of up to ninety billion U. S. Dollars annually. By stopping deforestation and practicing fire management and sustainable agriculture, some researchers predict the region could generate even more wealth than IT currently does. So how close are we to region at this point? We probably won't know until it's too late. So far, the azo has remained brazil, but its very existence relies on transportation from trees to keep water cycling through IT. Removing living trees in one location leaves the surrounding area dehydrated and more vulnerable to drought and wildfires. But there are steps we can take today. First, we can choose to buy products from companies that refuse to procure from the foresters. Studies have shown that planting new trees can help restore the forest water cycle, so IT takes a long time for them to capture as much carbon as an old growth tree. And native stewardship can have a huge impact. They're over one point five million indigenous people living in the amazon, from two thousand one to two thousand, and twenty one portions of the reinforce that weren't managed by native people admitted two hundred seventy million metric tons of carbon to the atmosphere, thanks to deforestation and burning. Yet during the same period, organs managed by indigenous people removed well over three hundred million metric tones. The rewards of protecting the amazon benefit all of us, but the impact of destroying IT is already being felt by those living there today.