Unit 8 Secondary disasters 课件 2025-2026学年冀教版八年级英语下册

该初中英语课件围绕“次生灾害”核心主题，涵盖定义、复合词与派生词规则及日本地震引发的海啸、核事故案例。课堂通过“次生灾害定义及举例”“secondary词源”等问题导入，搭建词汇学习与概念理解的支架，衔接前后知识脉络。 其亮点在于融合语言能力、思维品质与文化意识培养。通过句子排序活动（如日本地震事件C→D→B→A）梳理灾害连锁反应，提升分析能力；复合词（landslide）、派生词（secondary）练习强化语言运用。任务型教学结合实例讨论，助力学生创新思考解决方案，增强人类命运共同体意识，也为教师提供结构化教学资源，提升课堂效率。

Unit 8 3 Secondary disasters Natural disasters 1 Learning objectives In this lesson, we will be able to: Master the rules of forming compound words and derived words and apply them to identify and create similar words. By learning about Japanese earthquakes, tsunamis and nuclear - related secondary disasters, students will enhance their understanding of how natural and man - made factors interact in disaster situations globally. When discussing solutions to reduce secondary disasters, students will be encouraged to think creatively and propose diverse and practical ideas, fostering their creative thinking. 2 1 Read the questions and give your answers. A What's a secondary disaster? Give an example. B How do we get the word "secondary" from "second"? “Secondary” is derived from “second” by adding the suffix “-ary”. Secondary disaster is a disaster that happens as a result of a primary disaster. For example, a landslide caused by an earthquake. 2 Read the passage and put the sentences in order. Disasters are terrible. Sometimes, secondary disasters are even more dangerous because they create more damages. Secondary disasters include landslides,fires, floods and so on. Here is a serious example. On March 11,2011,the largest earthquake ever recorded in Japan caused great destruction.Tsunami waves hit the coastal area less that half an hour later. These waves damaged the Fukushima Daiichi nuclear power plant. In the following days,explosions occurred at the plant. More than 150,000 people had to leave the area. Lots of radinactivity got into the ocean and came down from the atmosphere. 2 Read the passage and put the sentences in order. The earthquake highlighted an important problem—disasters often cause a chain reaction, leading to more problems. If people do not deal with them properly, this will lead to greater disasters. It is everyone's responsibility to take action to reduce disasters or secondary disasters. 2 Read the passage and put the sentences in order. A Radioactivity got into the ocean and atmosphere. B Explosions occurred at the plant. C The largest earthquake in Japan caused serious destruction. D Tsunami waves hit the coastal area. C D B A Read Paragraph 1 and choose the best answer. What is the main characteristic of secondary disasters?_ A. They are less dangerous than primary disasters. B. They often create additional risks. C. They only include natural events like floods. D. They are impossible to prevent. B 设计意图:Review the words for place,Try to say more places in English. Pave the way for the following study 操作建议:say a place one by one 8 Read Paragraph 2 and answer the questions. What was the direct cause of the Fukushima nuclear plant disaster? The tsunami waves destroyed the plant's safety systems. 设计意图:Review the words for place,Try to say more places in English. Pave the way for the following study 操作建议:say a place one by one 9 Read Paragraph 2 and answer the questions. 1. When did the largest earthquake ever recorded in Japan happen? 2.Why did more than 150,000 people have to leave the area? On March 11, 2011. Because explosions rocked the Fukushima Daiichi nuclear power plant in the following days and there was lots of radioactivity. 设计意图:Review the words for place,Try to say more places in English. Pave the way for the following study 操作建议:say a place one by one 10 Read Paragraph 3-4 and answer the questions. 1. What main issue did the earthquake highlight? 2.Whose responsibility is it to take action to reduce disasters or secondary disasters? 3. According to the text, what is one way to minimize the impact of disasters? Disasters often cause a chain reaction of problems. It is everyone’s responsibility. By taking proper action to reduce disasters or secondary disasters. 设计意图:Review the words for place,Try to say more places in English. Pave the way for the following study 操作建议:say a place one by one 11 3 Read the sentences and pay attention to the parts in yellow Secondary disasters include landslides, fires, floods, and so on The earthquake highlighted an important problem. Compound words are formed when two or more words are combined.For example, land + slide= landslide, earth + quake = earthquake. Derivatives words are created by adding affixes (prefixes or suffixes) to existing words, For example, second + -ary= secondary, harm+ful= harmful. Circle more compound words in Activity. 12 4 Read the sentences and fill in the blanks. A The second book in the series served as a secondary source of information for my research project. (second) B I feel very_ to have escaped the earthquake, and_, all of my family members were safe, too. (luck) C Their rich imagination and _ have inspired the_of new products (create) lucky luckily creativity creation 4 Read the sentences and fill in the blanks. D Jimmy likes to use that toothbrush with cute cartoons to brush his teeth. E The _bravely fights against the fire to protect the people. F The land, including rocks and soil, slides down from the mountain and forms a_ firefighter landslide Protect our planet together—every small action counts! 用法: 在句中常作主语、宾语等,描述灾害类型 。 例句: Earthquakes may cause secondary disasters like tsunamis. 地震可能引发像海啸这样的次生灾害 。 1. Sometimes, secondary disasters are even more dangerous. 指 “次生灾害” Point 17 用法: 主语多为 “引发破坏的事物”,后接破坏的对象或程度描述 。 例句: Careless driving can cause destruction to both cars and lives. 粗心驾驶会对车辆和生命造成破坏 。 2. On March 11, 2011, the largest earthquake ever recorded in Japan caused great destruction. 为“造成破坏” Point 18 3. If people do not deal with them properly, this will lead to greater disasters. deal with解决;处理 Point 用法: deal with可以与do with进行互换。deal with与how连用,do with 与what连用。 例句: We must deal with this problem at once. 我们必须立刻处理这个问题。 19 4. If people do not deal with them properly, this will lead to greater disasters. 表示 “引发更严重的灾害” Point 用法: 主语是 “未解决的问题、不当行为” 等,后接负面结果 。 例句: Not fixing the broken dam in time will lead to greater disasters. 不及时修复破损的水坝会引发更严重的灾害 。 20 5. It is everyone’s responsibility to take action to reduce disasters or secondary disasters. take action意为 “采取行动” Point 用法: 常接 “to do 不定式”(表行动目的 ),或接 “against/for + 事物”。 例句: We should take action to protect wild animals. 我们应该采取行动保护野生动物 。 21 6. The water could have a deep impact on sea life and the environment. “对…… 产生深远影响” Point 用法: have an impact on与have an influnece on可以进行同义转换。 例句: Plastic pollution has a deep impact on ocean ecosystems. 塑料污染对海洋生态系统产生深远影响 。 22 23 一、用所给动词的适当形式填空 The heavy rain last night _ (cause) a landslide in the mountain area. If we don't take action now, the problem _ (lead) to more serious results. Scientists _ (research) how to deal with radioactive waste for years. The teacher asked us _ (highlight) the key phrases in the passage. caused will lead have researched to highlight 24 二、完成句子 Disasters often cause a _ (连锁反应) of problems that are hard to solve. It's important for us to learn how to _ (解决) secondary disasters after an earthquake. The radioactive water from the plant may _ (对…… 有深远影响) the ocean ecosystem. Everyone should _ (采取行动) to protect the environment and reduce the risk of disasters. chain reaction deal with have a deep impact on take action 25 26 Required(必做) Optional(选做) Copy the following words: secondary, disaster, landslide, earthquake, tsunami, destruction Write a short passage about 50 words to describe a kind of secondary disaster you know, using at least 3 phrases from the "Phrases" part in Must - do. 27 Lavf58.20.100 null 77635.68 $