1、大观念视角下的单元整体学习主题语境 “人与自然”关爱地球、保护环境正视环保问题单元大观念：正视全球面临的环保问题，了解先进的环保理念，增强环保意识，践行绿色生活方式，树立共同关爱地球，保护环境，与自然和谐相处的价值观。子主题Period 1Starting out & Vocabulary感知环境问题；学习主题语块 把握主题，建立各语篇关联，形成大观念Period 3Using language: Grammar关注海洋环境；聚焦人类活动Period 4Listening & Speaking讨论雾霾污染；礼貌打断他人增强环保意识践行环保理念Period 2Understanding idea
2、s打破传统观念；重新认识鲨鱼Period 5Developing ideas了解先进理念；真正绿色生活Period 6Writing宣传光盘行动；环保共同参与Period 7Presenting ideas & Reflection关注“碳足迹”;回顾单元内容Book 2 Unit 6Earth firstWe wont have a society if we destroy the environment. -Margaret MeadPeriod 1 Starting out & VocabularyLearning ObjectivesBy the end of this class,
3、 you are expected to be able to:perceive the meaning of the title with the help of the video and the pictures;briefly talk about environmental issues with the help of the phrases and expressions we learned during class;analyze the causes of the green house effect and provide solutions to global warm
4、ing.Brainstorming: environmental challengeswater pollutionclimate change/global warmingdeforestation 沙漠化沙漠化air pollutionActivity 1soil pollution土壤污染土壤污染overpopulationBrainstorming: environmental challengesActivity 1waste disposalacid rainBrainstorming: environmental challengesActivity 1Loss of biodi
5、versity生物多样性缺失public health issuesBrainstorming: environmental challengesActivity 1Word ladder: environmental challengesTop 10 Major Global Environmental Issues in the WorldPollutionGlobal WarmingOverpopulationWaste DisposalOcean Acidification (海水酸化)Loss of BiodiversityDeforestationOzone Layer Deple
6、tion (臭氧层缺失)Acid RainPublic Health IssuesActivity 2More facts about our planetWatch the video and pay close attention to the numbers.Activity 3130,000130,000square kilometers of forest disappear every year.AroundAround 25,00025,000trees are cut down each day just to make toilet paper.130,000130,000A
7、roundAround 150-200150-200of plants and animals become extinct.AroundAround 25,00025,000130,000130,000nearlynearly 1,0001,000times the natural rate of extinction.Around Around 150-200150-200AroundAround 25,00025,000130,000130,000OverOver 1,000,0001,000,000animals are killed by ocean pollution each y
8、ear.nearlynearly 1,0001,000AroundAround 25,00025,000130,000130,000Around Around 150-200150-200100,000,000100,000,000dont have clean drinking water.Over Over 1,000,0001,000,000nearlynearly 1,0001,000Around Around 150-200150-200AroundAround 25,00025,000130,000130,000450450 yearsyearsare needed for pla
9、stic bottles to break down.100,000,000100,000,000Over Over 1,000,0001,000,000Around Around 150-200150-200AroundAround 25,00025,000nearlynearly 1,0001,000130,000130,00050%50% 4040 yearsyearsThe ice caps are more than 50% thinner than they were 40 years ago.450450 yearsyearsOver Over 1,000,0001,000,00
10、0Around Around 150-200150-200AroundAround 25,00025,000100,000,000100,000,000nearlynearly 1,0001,000130,000130,000450450 yearsyears100,000,000100,000,000OverOver 1,000,0001,000,000nearlynearly 1,0001,000Around Around 150-200150-200AroundAround 25,00025,000130,000130,000These are not just numbers.50%5
11、0% 4040 yearsyearsHow do you feel about these numbers?horrifyingalarmingconcernedguiltysurprisingsadTime is running out. Earth should be placed in the first place.Activity 3What does “Earth FIRST” mean?first place/championpriority 优先权Activity 4lady firstFirst: No. 1; priority; first place; important
12、, respectWhat does “Earth FIRST” mean?Activity 4Earth firsta global environmental advocacy group in the USfounded in 1980branches all over the worldNo Compromise in Defense of Mother Earth!What does “Earth FIRST” mean?Activity 4Scan the QR code to visit their website.Earth firstto see the bigger pic
13、ture 着眼于大局far-sighted instead of short-sightedrespect and take care of the natureprotecting earth as the top priorityWhat is your understanding of the title?Activity 4Why do we put Earth in the first place?Earth firstwe live on Earth.We dont have a “Planet B”.for our future generationsActivity 4 Sev
14、ere environmental problems we are facing nowadays make our future uncertain. Its time for everyone to take action now and make our planet a greener and safer place for our future generations. If we dont change our ways, we are at the risk of ruining our planet and destroying many more plants and ani
15、mals.Why do we put Earth in the first place?Activity 4How do we practice “Earth first”?Lets start with global warming!Activity 5What is the root cause of the greenhouse effect?Greenhouse gases carbon dioxide 二氧化碳 water vapor 水蒸气 methane 甲烷Its we humans who should do something to stop this!Activity 5
16、fossil fuel burningDealing with global warmingwater conservationLED bulbrenewable energycarbon footprint 碳足迹greenhouse effectreusable water bottleActivity 6Chase the mouse: Dealing with global warmingActivity 7water conservationLED bulbrenewable energycarbon footprint greenhouse effectreusable water
17、 bottleComplete the brochure on Page 66Activity 7reusable water bottlecarbon footprintrenewable energyLED bulbWater conservationgreenhouse effectSave our planet from today!We wont have a society if we destroy the environment. -Margaret MeadIncrease your awareness of environmental protection first! S
18、elf-reflectionAfter this class, now I can.Yes/Needs worktalk about the meaning of the titlebriefly talk about environmental issues with the help of the phrases and expressions we learned during class.analyze the causes of the green house effect and provide solutions to global warming.Activity 8AssignmentQuick read through the passage and think about:1. Are sharks dangerous or endangered?2. How are the animals are depicted in the films or books that feature wild animals?Activity 9Activity 9Vocabulary mind mapWe only have one planet.Lets take care of it.
