高一英语课件：module-5-a-lesson-in-a-lab

1、 * To know some metals and their reactions with some substances To learn how to do an experiment To be able to retell the main points in the text To build up the love for science * potassiumpotassium sodiumsodiumcalciumcalcium magnesiummagnesium aluminiumaluminium zinczincironironcoppercopper * 1.The Different Uses of Metals 2.The Reaction of Metals 3.The Reaction of Metals with Oxygen Choose the best title for Passage A. * Read Passage A again and answer the questions v Which metals react the m

2、ost with oxygen and water? v What happens when you heat calcium in oxygen? v Which metals react with steam? 4. Does iron have a slow or fast reaction with steam? 5. Does copper react with water? Potassium,sodium and Potassium,sodium and calsium.calsium. It burns to form an oxide.It burns to form an oxide. Magnesium,aluminium,and zinc.Magnesium,aluminium,and zinc. Slow.Slow. No, it doesnt.No, it doesnt. Do you think it is scientificto make Goujian Sword by using copper After learning Passage A Wh

3、at can we learn from Passage A? It is very important to know_ _. It is very useful in our daily life. metals can react with different substances how How many stages are there in a scientific experiment report Passage B * Iron in dry air Iron in air-free water Iron in ordinary water Use of cotton wool _ Use of oil _ _ Why it rusts _ cotton wool nails _ _ _ _ _ ordinary water rusty nails oil water Keep the nails dry Keep air out of the water Air in the water nails * Conclusion Iron rusts in_. Iron

4、 doesnt rust in _ and_ ordinary water dry air air-free water . * half-fill with boil put in add to leave result Observe the following experiment carefully and then write down an experiment report Aim Apparatus Method Result Conclusion to find out if potassium reacts with cold to find out if potassium reacts with cold water.water. a container, cold water, potassium,a container, cold water, potassium, filter paperfilter paper（滤纸（滤纸), a pair of tweezers(), a pair of tweezers(镊子）镊子） ( (1)Half-fill t

5、he container with cold water.1)Half-fill the container with cold water. (2)Take a piece of potassium out of the oil. (2)Take a piece of potassium out of the oil. (3)Dry the potasium with the paper. (3)Dry the potasium with the paper. (4)Put the potassium into the water. (4)Put the potassium into the water. The potassium burns. The potassium burns. Potassium reacts with cold water. Potassium reacts with cold water. An Experimennt Report * Sum up How can you do a scientific experiment successfully

6、? First, we need to have an_ and prepare _ for the experiment before we do the experiment. Second, we must use correct_to do the experiment and watch carefully. Then we can get the_and draw a_. aim apparatus methods resultconclusion .短语运用 be proud of,used to,aimed at,add up to, keep out of,put.in order,keep ones balance,think of,react with,be supposed to 1.In nature,many kinds of materials can each other under certain conditions. 2.You ask the teacher if you want to leave the classroom. 3.He lif

7、ted his gun and the bird in the tree. react with are supposed to aimed at 4.All the money I had no more than one hundered dollars. 5.When I saw these photos,I my college days. 6.Try to the trouble between them. 7.Books should again after you have finished reading them. added up to thought of keep out of be put in order 8.I struggled to on my new skates. 9.All the Chinese the success of Shenzhou . 10.Life now is much better than it be. keep my balance are proud of used to .翻译句子 1.学生人数在迅速增加。（expan

8、d） 2.做完实验后，一切东西都要有序的排列在器皿 柜中。(put.in order) 3.这是我过去经常去游泳的小河。(where) Student numbers are expanding rapidly. After the experiment,everything is put in order in the cupboard. This is the river where I used to go swimming. 4.To find out the truth,youd better do it once by yourself.（不定式作目的状语） 5.It is hard to think of a world without metals. 为了发现事实，你最好亲自做一次。 很难想像一个没有金属的世界。 .单项填空 1.On hearing the news,the girl rushed out without hesitation, the bag on the floor and in the dark. A.left;lied;disappeared

9、B.leaving;lying;disappeared C.leaving;lie;disappearing D.left;lay;disappear 解析 分析句子知leaving the bag.是分词词 短语语作状语语；而the bag和lie间间是主谓谓关系， 故用lying的形式；而disappear和rush out是 句子的谓语动词谓语动词 ；因此B正确。 B 2.There are both advantages and disadvantages in the scheme proposed,but I think we should benefit by adopting it. A.on balanceB.out of balance C.on the balanceD.off balance 解析 on balance总总的来说说。 A 3.Churches are often built the cross in the West. A.in form ofB.in the form of C.with form ofD.in a form of 解析 in the form of.以样样的形式；呈 现现样样的形式。 B 4.When ,metals . A.heating;extendB.heated;extend C.heating;expendD.heated;expand 解析 metal和heat为动宾为动宾 关系，故用heated, 完整形式是：When it is heated,由常识识知加 热时铁热时铁 膨胀胀，故用一般现现在时时。 D 5.They will start

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