《Water综合》PPT课件.ppt

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 Brainstorming: Where can we see water? B How much do you know about water? Try this quiz first. 1You can live without water for a few _. a days b weeks c hours Your body needs about _ litres of water every day. a two b four c eight 1When you exercise, you need _ water. a more b less c little 4When you boil water, it becomes _. a liquid b solid c gas Water covers about _ of Earth. a one third b half c two thirds 4The scientific symbol for water is _. a HO b H2O c H2O2 C What do you usually use water to do? Discuss in groups and give your answers. D Look at these pictures again and think what may happen if there is no water. 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 Look at the picture again and say how water comes in your own words. 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 Look at the picture again. What is the girl probably doing in the picture? 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. 1pouring 2froze 3wasting 4obeyed 5nodded 6cleaned up 7travelled 8until 9pump 10in the first place 11pollute 12valuable A2 Choose the best meanings. 1pouring a flowing b disappearing c boiling froze a stopped moving because of surprise b looked unhappy c felt cold 1wasting a using less of something than you should b using more of something than you should c using none of something 4obeyed a did according to instructions b did slowlyc did nothing cleaned up a made something light b made something clean c made something dirty 4in the first place a in the beginningb in the middle c in the end 5valuable a of great valueb of little value c of no value A3 Match the two columns. AB 1 2 3 4 5 nodded travelled until pump pollute a b c d e up to the point in time push water, air, etc. by machine make air, water, etc. dirty went from one place to another moved ones head up and down B Read the story again. C1 The map below shows the waters journey. Do you know which place each of the numbers stands for? C2 Now write the names of the different places in the blanks on the map. l water treatment works l Daisys bathroom l Dongjiang River l sewage plant l reservoir l stream l cloud l sea D Peter is talking to Judy about the story. Read their conversations and complete Judys answers to his questions. Put one word in each blank. 1 PETER Why did Daisy freeze? JUDY _ she heard _ _ _. 2 PETER Why was the voice angry? JUDY _ Daisy was _ _. 3 PETER Why did Daisy nod her head? JUDY _ she knew _ _. 4 PETER Why did the water go to a treatment works? JUDY _ it _ _ _ _ journey. 5 PETER Why did the water say, Ill go back into the sea again.? JUDY _ it _ _ the sea in the first place. 6 PETER Why did the water say, . like liquid gold.? JUDY _ it believed that _ _ _. 7 PETER Why did Daisys brother say, Sometimes youre really strange, Daisy.? JUDY _ she said, _ _ _ _ _ _. A Suppose you are the water drop in the story. Tell us your trip to our 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 peoples life. Every day people need me for drinking, washing, cooking and. How much do you know about water? Lets do a quiz about it. 1. You could live without water for a few _. A. days B. weeks C. hours 2. Your body needs about _ litres of water daily.=every day A. two B. eight C. four 3. 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. gas 5. About _ of Earth is covered by water. A. one third B. two thirds C. one half 6. The scientific symbol for water is _. A.H2O B.H2O2 C.HO2 % 1 2 3 4 5 Look at the picture and tell the class: Do you know the recycle of water? cloud mountain river sea stream Water talk Water 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 waters journey(旅途). C. They talked about what Daisy and Benny did in the bathroom. A. The water tells Daisy to turn the tap off, and she is surprised. B. Daisy tells Benny that she has talked to the water, and Benny thinks she is weird. C. Daisy is brushing her teeth with the tap on. D. The water tells Daisy about its long journey from a cloud in Yunnan and where it will go. It reminds(使想起,提醒) her not to waste or pollute water. P1 P2-3 P4-14 P15-17 Read the story and match the main idea with each part. Vocabulary The long journey tap sink drainpipes Back sewage sewage plant Back stream reservoir water treatment works This map shows the waters journey. Read the story and mark the names of different places on the map. cloud stream Dongjiang River reservoir water treatment works sewage plant sea Daisys bathroom Back Where?What did it do there? 1 In Yunan 2 mountain- Dongjiang River 3 reservoir 4 water treatment works 1 2 5 under the street 6 bathroom 7 a sewage plant1 2 8 the seawill rise from the sea to the sky floated comfortably in a cloud dropped into a stream and sped down relaxed for a few days was given a thorough cleaning was added a few chemicals traveled in the pipes came out of the tap was cleaned up was pumped into the river 10 1 Why was the voice impatient? Because Daisy was wasting water. 2 Why did Daisy nod her head? Because she knew the Dongjiang River. 3 Why did the water go to a treatment works? Because it was dirty after its journey. 4 Why did the water say, “ I will be back in the sea again? Because it came from the sea in the first place. 5 Why did the water say it was like liquid gold? Because it believed that it was precious. 6 Why did Daisys brother think she was weird? Because she said, I was talking to 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 2. 跌入小溪 3. 彻底清洗 4. 添加 5.源源流入 6.在旅程的终点 7.浪费水 8.欣赏风景 enjoy the view Useful phrases sound impatient drop into the stream a thorough cleaning addto pour into at the end of the journey waste water 10. 把净化 11.记着不要做 12.等一下 13. 开、关水龙头 14. 点头、摇头 15. 当初本来 16. 比金子更珍贵 Useful phrases clean up remember not to do wait a minute turn on off the tap nod shake ones head in the first place more valuable than gold Look at the pictures and discuss in groups. If there is no water, Living things cant 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 shouldnt 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? Shouldnt 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 coins story and number the pictures. 1 2 3 4 5 6 7 8 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 纸币 2. 负责 3. 流程图 4. 至少 至多 a one-yuan coin note be in charge of a flow chart at least at most Useful phrases 常见的 不可数名词 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）, fun, sand（沙 ）, knowledge（知识）, homework, housework（家务活） 只能 修饰可数名词 的词或短语： a few, few, several, many, a number of 只能 修饰不可数名词 的词或短语： a little, little, a great deal of, much 既 可修饰可数名词又可修饰不可数名词 的词或短语： some, a lot of, lots of, plenty of, enough, most Language A There is no water in the pool. There are no swimmers in the pool There is a lot of water in the pool. There are many a lot of swimmers in the pool. 4. There are a few not many swimmers in the pool. Keys to the exercise: B1 Jane: How many bananas are there? Albert: There are a few. Jane: How many apple