人教版（2024）八年级下册（2024）Section A示范课ppt课件

这是一份人教版（2024）八年级下册（2024）Section A示范课ppt课件
目录0102030405060708Time to RelaxGrowing UpNature's TemperStay HealthyA Good ReadThe Wonders of NatureCrossing CulturesMaking a DifferenceUnit4The Wonders of Nature典新阁UNIT  4 The Wonders of NatureBIG QuestionHow do we connect with nature? In this unit,you will1.talk about geography facts about natural wonders.2.compare facts about famous places.3.share geography facts using large numbers.4.explore how and why people connect with nature.Look and share1.Do you know the name of the waterfall in the photo?2.What do you think is special about it?3.What other natural wonders do you know?人教版英语八年级下册Part AContentsUnit4What is amazing about nature?ContentsThe Wonders of NatureThe Wonders of NatureTOURIST ATTRACTIONSThe Wonders of Nature 1a Match the places with the pictures. Dead Sea ContentsListen to the game show.Complete the descriptions ofthe places.1c 416 8,848.86 11,000 9,000,000Listen again.Complete the measurements in 1b with the numbers below.highest mountain lowest placeUnit41d Talk about the places you have learnt about.32 A:What's the lowest place on earth?B:It's ...A:How low is it?B:Its surface is metres below sea level.A:Now,what's ...Section A,I b and 1cHost: Welcome to our game show!Today,its all about geography.Answer as quicklyas you can!Question one:What is the highest mountain in the world? Fu Xing: It's Mount Qomolangma!Host: Correct!How high is it?Liu Hongyu: I know this—it's 8,848.43 metres high.Host: No,sorry.Fu Xing?Fu Xing: Is it 8,848.86 metres?Host: Yes!But some scientists say Qomolangma is still growing taller!Now,namethe biggest desert in the world.Fu Xing: The Taklimakan Desert?Host: Wrong!Ella?Ella: It's the Sahara Desert.Host: Ri:ht!Now,how big is it?Ella: It's about 9,000,000 square kilometres.Host: That's right!What's the lowest place on earth? Liu Hongyu:It's the Dead Sea!Host: Well done!Its surface is 416metres below sea level.Now where's the deepest point in the ocean?Fu Xing: It's in the Mariana Trench.Host: That's correct!How deep is it?Fu Xing: It's about 11,000 metres deep.Host: Correct!What do you know about the deep sea?Try to label the depths in the picture with the information on the left. OCEAN DEPTHS A class is asking a deep-sea researcher some questions after his talk。Listen and tick the topics they discuss Nature The Wonders of☑why people are researching the deep sea□where the deep sea beginsListen again.Complete the sentences with the facts from the conversation.1.People stilldon't know much about the ocean floor.2.In 2020 ,China's Fendouzhe dived into the deep sea and filmed it.3.Many deep-sea animals are large and unusual.4.Some animals have unusual abilities.Some are blind but can see ".Some can even create .5.There is rubbish even at 11000 metres deep.Ms Gao:Thank you for the wonderfultalk,MrJones.Now,does anyone have any questions?Emma: I do!Why are so many countries researching the deep sea?Mr Jones:Well,curiosity is one reason.We don't know enough about the ocean floorFu Xing:I remember that in 2020,China's Fendouzhe dived deeper into the MarianaSectionA,2b and 2cNature The Wonders ofRead the questions and think of more you would like to ask the deep-searesearcher.Research the answers.Then ask and answer the questions with a partner.● What is the largest shark in the deep sea?The Greenland shark is one of the largest deep - sea sharks. It can grow to be quite large, with some individuals reaching lengths of over 6 meters.● What is the bottom of the deep sea like?The deep - sea bottom is very dark, cold (with temperatures near freezing), and has extremely high pressure. It is often covered with sediment, and there are features like deep - sea trenches, seamounts, and hydrothermal vents.● What other vessels dived to the bottom of the ocean?Vessels like the Trieste (a bathyscaphe that reached the Challenger Deep in the Mariana Trench) and Deepsea Challenger (piloted by James Cameron) have dived to the bottom of the ocean.● Why is the deep sea important to us?The deep sea is important for several reasons. It plays a crucial role in regulating the Earth's climate by storing large amount of carbon. It is also a source of potential new medicines, as many unique organisms live there. Additionally, it helps us understand the history of the Earth and the evolution of life, and it has mineral resources that might be valuable in the future.Nature The Wonders of Trench than many other vessels in the world and filmed it. But I didn’t see any deep-sea animals.What are they like? Mr Jones:Well,many deep-sea animals are large and unusual.Some animals are blind but they can “see”as well as others.Some even create their own light! Peter: Cool!Are there any other surprising facts about the deep sea? Mr Jones:Did you know that there's rubbish even at 11,000 metres deep?That shocked many people. Ms Gao:That's terrible!We should do something about it. Mr Jones:You’re right!插入文本Read the conversation and underline the three rivers mentioned.34 UNIT 4Yaming:Welcome back,Ella!How was your trip?Ella: It was great!We saw the Hukou Waterfall on the Yellow River.Is that the longest river in China?Yaming:No,the Yangtze River is the longest river in China.It travels the farthest and is about 6,300 kilometres long.The Yellow River is 5,464kilometres long and is the second longest.By the way,do you know why it's called the Yellow River? Ella: Because it's yellow?Yaming:Right.Some parts of the river carry brown and yellow earth.Read the conversation and underline the three rivers mentioned.Ella: That’s interesting!I like learning about rivers.My favourite is the Nile.Did you know it's the longest river in Africa? Yaming:Yes,it's 6,671 kilometres long.It's very important in Egypt's history.Ella: That's right.Both the Nile and the Yellow River helped ancient civilizations to develop.And they're still very important today.Yaming:Yes.In China,we even call the Yellow River our“mother river”!Ella: We should protect them by all means.34 UNIT 4What do Yaming and Ella know about these rivers?Read the conversation again and complete the table.Listen to the conversation.Then role-play it.34 UNIT 43d Imagine that you are Yaming or Ella.Continue the conversation with a partner about other geographical features in China.Ella: Could you tell me more about China,Yaming?Yaming: Sure!What would you like to know?Ella: What's the biggest desert in China?Yaming: It's the Taklimakan Desert.Ella: Do you know...?34 UNIT 4Ella: Do you know what the longest river in China is?Yaming: Yes, it's the Yangtze River. It's one of the longest rivers in the world.Ella: What about the highest mountain?Yaming: That's Qomolangma, also known as Mount Everest. It's the tallest mountain on Earth.Ella: Are there any famous lakes in China?Yaming: Sure! Qinghai Lake is the largest saltwater lake, and West Lake in Hangzhou is very scenic and famous for its beauty.34 UNIT 4Read the sentences.Circle the adjectives which compare things.Underline the adverbs which compare actions.Grammar FocusThe Wonders of Nature 35.Write or spell out the numbers.1.Mount Kilimanjaro is 5,895 (five thousand,eight hundred and ninety-five)metres high.2. 25,768 (twenty-five thousand,seven hundred and sixty-eight)cubic metres of water pours down Inga Falls each second.3.The East African Rift Valley is about 4,000(four thousand) miles long.4.The Taklimakan Desert has a total area of about 337,000( threehundred and thirty - seven thousand )square kilometres.The Wonders of Nature 35.My friends and I visited Victoria Falls inAfrica last year.Visiting one of the world'smost amazing waterfalls was a magicalexperience.As we went got close to thefalls,the noise of the water slowly grew louder and louder.Then, right before our eyes,the waterfall appeared.It went on for as faras the eye could see.Later,we sat in a special pool at the top of the falls.There, we felt the water rush past us and become a part of the waterfall.It was thescariest but also the most experience of our trip!The Wonders of Nature 35.④c Complete the passage with the correct forms of the words in the box。.Write some questions to compare places.Then ask a partner your questions.● What is the highest ...? ● Which park is bigger,...or ...?1. What is the longest river in the world?2. What is the deepest trench in the ocean?3. What is the highest mountain in Asia?4. What is the biggest desert in Africa?5. What is the lowest lake on earth?1. Which river is longer, the Yellow River or the Yangtze River?2. Which desert is bigger, the Sahara Desert or the Gobi Desert?3. Which waterfall is higher, Angel Falls or Niagara Falls?4. Which sea is saltier, the Dead Sea or the Red Sea?5. Which mountain is taller, Mount Qomolangma or K2?Thanks for watching.