八年级英语上册 Chapter 1 Water综合课件 牛津深圳版.ppt

Don’t use the pool today, Lo. I didn’t put any water in it.CHAPTER ONE WaterAnswer the following questions.1What is Hi doing now?2What does Lo want to do now?3What does Hi say to him?4What does Lo probably feel when he hears this?5What may happen to Lo?A A Brainstorming: Where can we see water?Where can Where can we see we see water?water?B B How much do you know about water? Try this quiz first.1You can live without water for a few ______.a daysb weeksc hours2Your body needs about ______ litres of water every day.a twob fourc eight3When you exercise, you need ______ water.a moreb lessc little4When you boil water, it becomes ______.a liquidb solidc gas5Water covers about ______ of Earth.a one thirdb halfc two thirds6The scientific symbol for water is ______.a HOb H2Oc H2O2C C What do you usually use water to do? Discuss in groups and give your answers.D D Look at these pictures again and think what may happen if there is no water.A1 A1 Use the picture on the right to put these sentences in the correct order.( ) It flows into the sea.( ) It runs into streams and rivers.( ) It rises from the sea to the sky.( ) Water falls from the clouds as rain.( ) It falls as rain again.A2 A2 Look at the picture again and say how water comes in your own words.B1 B1 Look at the title of the story and the picture on page 3. Who do you think are talking in the story?Water talkB2 B2 Look at the picture again. What is the girl probably doing in the picture?B3 B3 What do you think the girl and the water drop will talk about?A1 Read the whole letter on page 3 for the first time. Find the following words or expressions in the passage. Work out their meanings by yourself.1pouring2froze3wasting4obeyed5nodded6cleaned up7travelled8until9pump10in the first place11pollute12valuableA2 Choose the best meanings.1pouringa flowingb disappearingc boiling2frozea stopped moving because of surpriseb looked unhappyc felt cold3wastinga using less of something than you shouldb using more of something than you shouldc using none of something4obeyeda did according to instructionsb did slowlyc did nothing5cleaned upa made something lightb made something cleanc made something dirty6in the first placea in the beginningb in the middlec in the end7valuablea of great valueb of little valuec of no valueA3A3 Match the two columns. AB12345nodded travelleduntil pumppolluteabcdeup to the point in timepush water, air, etc. by machinemake air, water, etc. dirtywent from one place to anothermoved one’s head up and downB Read the story again.C1 The map below shows the water’s journey. Do you know which place each of the numbers stands for?D Peter is talking to Judy about the story. Read their conversations and complete Judy’s answers to his questions. Put one word in each blank.1 1 PETER Why did Daisy freeze? JUDY __________ she heard __________ __________ __________.2 2 PETER Why was the voice angry? JUDY __________ Daisy was __________ __________.3 3 PETER Why did Daisy nod her head? JUDY __________ she knew __________ __________.4 4 PETER Why did the water go to a treatment works? JUDY __________ it __________ __________ __________ __________ journey.5 5 PETER Why did the water say, ‘I’ll go back into the sea again.’? JUDY __________ it __________ __________ the sea in the first place.6 6 PETER Why did the water say, ‘... like liquid gold.’? JUDY __________ it believed that __________ __________ __________.7 7 PETER Why did Daisy’s brother say, ‘Sometimes you’re really strange, Daisy.’? JUDY __________ she said, ‘__________ __________ __________ __________ __________ _________.’After you readAfter you readA Suppose you are the water drop in the story. Tell us your trip to our homes.This is my trip to your homes …This is my trip to your homes …B Work in pairs. Ask and answer about the information on water. S1 asks the questions and S2 tries to answer his or her questions.A Guessing game:What am I?I have no color, smell or shape.My other name is O2.I am produced by green plants.I am around you.You breathe in me any time.oxygenA Guessing game:What am I?I have no color or smell.I can change into gas or water.I am very hard.You can see me in fridge.iceA Guessing game:What am I?I have no color, smell or shape.My other name is H2O.I can change into ice or gas.I come from the rivers, lakes and seas.You can see me every day.waterTHREE FORMS OF SUBSTANCE(物质)•oxygen ------- gas•ice ------- solid •water ------- liquidEvery day people need me for drinking, Water is very important in people’s life.Every day people need me for drinking, washing, cooking and….How much do you know about water?Let’s do a quiz about it.1. You could live without water for a few ___. A. days B. weeks C. hours2. Your body needs about ____ litres of water daily.=every day A. two B. eight C. four3. When you exercise, you need ____ water.A. more B. less C. the same4. When you freeze water, it becomes a ____. A. liquid B. solid C. gas5. About ____ of Earth is covered by water. A. one third B. two thirds C. one half6. The scientific symbol for water is _____. A.H2O B.H2O2 C.HO2%Water talkWater is more valuable than gold.Before you read the story, look at the title of the story and the picture, and then answer this question.Who are talking in the story?The girl and the drop of water.Read through the story quickly and answer: What did the water and Daisy talk about?A. They talked about what the water is. B. They talked about the water’s journey(旅途旅途). C. They talked about what Daisy and Benny did in the bathroom.VocabularyThe long journeytapsinkdrainpipesBacksewagesewage plantBackstreamreservoirwater treatment worksWhere?What did it do there?1 In Yunan2 mountain-Dongjiang River3 reservoir4 water treatment works125 under the street6 bathroom7 a sewage plant1 2 8 the seawill rise from the sea to the skyfloated comfortably in a clouddropped into a stream and sped downrelaxed for a few dayswas given a thorough cleaningwas added a few chemicalstraveled in the pipescame out of the tapwas cleaned upwas pumped into the river1 Why was the voice impatient?1 Why was the voice impatient? BecauseBecause Daisy was Daisy was wasting waterwasting water. .2 Why did Daisy nod her head?2 Why did Daisy nod her head? BecauseBecause she she knewknew the Dongjiang the Dongjiang River River. .3 Why did the water go to a treatment works?3 Why did the water go to a treatment works? BecauseBecause it it was dirty after itswas dirty after its journey. journey.4 Why did the water say, 4 Why did the water say, “ “ I will be back in I will be back in the sea againthe sea again’ ’? ?BecauseBecause it it came fromcame from the sea the sea in the firstin the first place.place.5 Why did the water say it was like liquid 5 Why did the water say it was like liquid gold?gold? Because Because it believed that it believed that it was preciousit was precious. .6 Why did Daisy6 Why did Daisy’ ’s brother think she wass brother think she was weird? weird? Because Because she said, she said, ‘ ‘I was talking toI was talking to a drop of water. a drop of water.’ ’1. Water was pouring into the sink.2. The tap was on.3. The voice sounded angry.4. People cleaned me up. 5. I waited there until you called me.6. People pump me out into the river. 7. Remember not to waste or pollute water.8. Water is precious, like liquid gold. Important sentences1. 听起来不耐烦听起来不耐烦2. 跌入小溪跌入小溪3. 彻底清洗彻底清洗4. 添加添加…5.源源流入源源流入6.在旅程的终点在旅程的终点7.浪费水浪费水8.欣赏风景欣赏风景enjoy the viewUseful phrasessound impatientdrop into the streama thorough cleaningadd…to pour intoat the end of the journeywaste water 10. 把把…净化净化11.记着不要做记着不要做…12.等一下等一下13. 开、关水龙头开、关水龙头14. 点头、摇头点头、摇头15. 当初当初\本来本来16. 比金子更珍贵比金子更珍贵Useful phrasesclean upremember not to do…wait a minute turn on \ off the tapnod \ shake one’s headin the first placemore valuable than goldLook at the pictures and discuss in groups.If there is no water, …Living things can’t live without water.Water is unhappy because people… .Water is crying for help! What can we do to help it and save ourselves?1.Discuss what we should do or shouldn’t do to protect water.2.Make a list about what we can do.3.The group leader need to give a presentation. When you are enjoying others’ performance, remember to write down your comments and marks by using the forms.What should we do to protect water in our daily life? Shouldn’t do Should do*wash clothes under running water*take a shower with water running for a long time……*reuse water *plant more trees*protect rivers and lakes *fight against water pollution……Listen to the coin’s story and number the pictures.123456781. Hi! I am a one-yuan coin! I was born in a mint. That is where new money is made. I was lovely and shiny then. I was with lots of other coins.2. They put me in a bag and took me to a bank. I sat in that bag at the bank for a few days.3. Then a cashier at the bank gave me to a customer. He needed some bags of coins for his shop.4. That man had a cake shop. He gave me to a woman. She was buying some cakes. She gave him 50 yuan. I was part of her change.6. I stayed on the road for a long time. I got very dirty. Then an old man found me. He was very happy to see me!7. The old man took me to a food stall. He bought some food and gave me to your mother. She gave me to you as pocket money.8. Then you washed me to make me clean again. I felt so happy that I decided to tell you my story!5. That woman put me in her purse. But later, she dropped her purse on the ground, and I rolled away. She found her other money, but she did not find me.1. 一元硬币一元硬币\ 纸币纸币2. 负责负责…3. 流程图流程图4. 至少至少\ 至多至多a one-yuan coin\ note be in charge ofa flow chart at least\ at mostUseful phrases常见的常见的 不可数名词不可数名词 小结：小结：money, paper, bread, meat, music, coffee, water, work, smoke, fruit, sugar, food, beef, traffic, gas, weather, fire, rain, wind, snow, rice, hair, news, air, tea, information（信息）（信息）, fun, sand（沙）（沙）, knowledge（知识）（知识）, homework, housework（家务活）（家务活）只能只能 修饰可数名词修饰可数名词 的词或短语：的词或短语：a few, few, several, many, a number of只能只能 修饰不可数名词修饰不可数名词 的词或短语：的词或短语：a little, little, a great deal of, much既既 可修饰可数名词又可修饰不可数名词可修饰可数名词又可修饰不可数名词 的词或短语：的词或短语：some, a lot of, lots of, plenty of, enough, mostLANGUAGE A1.There is no water in the pool.2.There are no swimmers in the pool\ There is a lot of water in the pool.3.There are many \ a lot of swimmers in the pool.4. There are a few \ not many swimmers in the pool.B1Jane: How many bananas are there?Albert: There are a few.Jane: How many apples are there?Albert: There are a lot.Jane: How much bread is there?Albert: There is none.Jane: How much tea is there?Albert: There is a little.Jane: How many onions are there?Albert: There are none.B2a lot ofsomea fewnoC12. He’s got enough.3. He’s got too few.4. He’s got too many.5. He’s got too much.6. He’s got too much.7. He’s got enough.8. He’s got too little.Keys to the exercise in More practice & Using EnglishMORE PRACTICE1.I do not agree with it because it is how well you wash your clothes, not how much water you use that makes them clean.2. I do not agree with it because a lot of groundwater is dirty and must be cleaned before we can drink it.3. I do not agree with it because it is better to get out of the shower as soon as you are clean.4. I do not agree with it because a dripping tap can waste a lot of precious water, even if it does not cost a lot of money.5. I do not agree with it because the water in the sea is not drinkable.Using English1. two thousand2. three thousand five hundredA3. May4. four thousand5. April6. MarchC1. seven2. two3. works4. travels5. watches6.three7. other8. one hour。