外研版高中英语Book-1-Module-5-A-Lesson-in-a-Lab-reading-公开课教学课件共.ppt

1、Module 5 A Lesson in a LabWang LeiYantai No.1 Senior High School2To know some words and expressions about science and experimentsTo learn how to write an experiment report To build up the love for science 3Do you know them?Chemical symbolChinese EnglishK 钾钾Na钠钠Ca 钙钙Mg镁镁Al铝铝Zn锌锌Fe铁铁Cu铜铜potassiumsodiu

2、mcalciummagnesiumaluminiumzincironcopperRead the passage and choose the best title for it.The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen Passage AAnswer the following questions according to the information given in the table:1.Which of the metals in the table

3、reacts the most with oxygen and water?potassium,calcium and sodium2.What happens when you heat calcium in oxygen?It begins to form an oxide.3.Which metals react with steam?Magnesium,aluminium and zinc4.Does iron have a slow or fast reaction with steam?It has a slow reaction.Passage BA Simple Scienti

4、fic ExperimentLook at the pictures.Do you know the names of the equipment？tongstest tube holdertest tube balanceBunsen burner beaker tweezerscrucible 1.We use a _to heat things when doing an experiment.2.We put things into a glass _to mix them,or to heat them,or to keep them.3.A _ is used to weigh t

5、he things we use in an experiment.4._are needed to pick up things which are too hot or dangerous to pick up with our hands.Bunsen burnertest tube/beakerbalanceTongs/TweezersUsage of the equipmentcottonwooliron nailsNails dont rust in dry airair-free waterNails dont rust in air-free waterordinarywate

6、rwaterNails rust in ordinary water Stage D(Conclusion)Iron doesnt rust in dry airIron doesnt rust in air-free waterIron rusts in ordinary waterSum upHow to do a scientific experiment successfully?First,we need to have an _ and prepare the necessary_ for the experiment.Then,we must choose correct_ an

7、d observe carefully.After that we can reach a_ according to the_ of the experiment.aimapparatusmethodsresultconclusion12Task Observe the reaction of sodium in cold water and then write an experiment reportAim Apparatus MethodResult Conclusion to find out if sodium reacts with water.filter paper,sodi

8、um,cold water,a pair of tweezers,a beaker,a knife,a piece of glass,(1)Half-fill the beaker with cold water.(2)Take a piece of sodium out of the oil.(3)Dry the sodium with the paper.(4)Cut off a small piece of sodium (5)Put the small piece of sodium into the water.The sodium moves around on the water

9、,giving off smoke and disappears at last.Sodium reacts with cold water.An Experiment Report14Group Work Show your opinions:1.Scientific experiments are_because_2.Science is_ because_3.It takes/needs _to be a scientist.Homework Review what we have learned during this period Finish the experiment report in the newspaper(B4)课外拓展 1.P28-P32 2.视频链接:趣味科学实验用蜡烛点亮灯炮打赌必赢的科学小实验 可乐与鸡蛋2023-5-8