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1、Put the words in pairs or groups.,contract air earth gas liquid oxygen moon solid expand sun,air gas - oxygen,contract - expand,earth sun - moon,gas liquid - solid,Put the words in pairs or grou,Put words in the right place.,electricity iron metal steel air glass,electricity iron air some metals,ele
2、ctricity steel glass some metals,electricity some metals,Put words in the right place.e,外研必修1-A-lesson-in-a-lab-课件,Look at the pictures. Do you know the names of the equipment？,balance,Bunsen burner,test tube,tongs,crucible,Look at the pictures. Do you,A Lesson in a Lab,A Lesson in a Lab,Reading and
3、 Vocabulary,Reading and Vocabulary,2,4,1,3,conclusion aim result method,目标 方法 结果 结论,aim,method,result,conclusion,What is the correct order to describe the stages of a scientific experiment?,2413conclusion aim,Read the passage as quickly as you can and choose the best title for it.,The Different Uses
4、 of Metals The Reaction of Metals The Reaction of Metals with Oxygen,Passage A,Read the passage as quickly as,potassium,sodium,calcium,magnesium,aluminium,zinc,iron,copper,Match names of metals to pictures,potassiumsodiumcalciummagnesiu,* an oxide = another substance + oxygen,Metals 金属Heated in oxyg
5、enReact,Read the passage again and answer the following questions:,1. Which of the metals in the table reacts the most with oxygen and water? Potassium, sodium and calcium.2. What happens when you heat calcium in oxygen? It burns to form an oxide.,Read the passage again and ans,3. Which metals react
6、 with steam? Magnesium, aluminium and zinc.4. Does iron have a slow or fast reaction with steam? It has a slow reaction.5. Does copper react with water? No, it doesnt.,3. Which metals react with ste,What can we learn from Passage A? It is very important to know_. It is very useful in our daily life.
7、,Harvest,metals can react with different substances,how,What can we learn from Passage,Passage B,A Simple Scientific Experiment,Passage BA Simple Scientific,Nails are easy to rust in the damp air.,Whats the difference between the pictures?,Pre-reading:,Nails are easy to rust in the,?,How many stages
8、 are there in a scientific experiment report,Fast reading,? How many stages are ther,A Simple Scientific Experiment1. _:_2. _: 3. _:(1) (2)(3) 4. _:5. _:,aim,method,result,conclusion,apparatus,3 clean iron nails; test tubes; test tube holder;cotton wool; oil; Bunsen burner,Task 2 Fast-reading,Task 1
9、: Put the stages in the correct order,To find out if iron rusts (a)(b)(c),A Simple Scientific Experiment,外研必修1-A-lesson-in-a-lab-课件,cotton wool,nails,water,water,water,The nails havent rusted.,The nails donot rust.,The nails rust.,Iron doesnt rust in dry air.,Iron doesnt rust in air-free water.,Iron
10、 rusts in ordinary water.,Conclusion,cotton woolnailswaterwaterwate,half-fill with.,boil ,put in,add to ,leave ,result, half-fill with,Read the passage again and complete the sentences.,1. In the first part of the experiment, the _ is dry, not wet.2. It shows that iron _ when the air is dry.,air,doe
11、s not rust,Read the passage again and com,3. In the second part of the experiment, you must _ the water to make sure there is no _ in it.4. You add _ to the water because this keeps _ out of it.5. It shows that _ does not rust in water that has no _ in it.,boil,air,some oil,air,nail,air,3. In the se
12、cond part of the e,If you want to learn scientific subjects well, what qualities should you have in your opinion?,Discussion,If you want to learn scientif,Observe the following experiment carefully and then write down an experiment report,Task,Observe the following exper,write a secret message with
13、invisible ink.,a lemon, a small container, a pen, some white writing paper, a candle and some matches.,the lemon and pour the juice into a container.,dip it into the lemon juice.,your message in lager letters on a clean sheet of white writing paper.,blow on the paper to dry the lemon juice.,light a
14、candle with the matches.,hold the paper near the candle flame.,will gradually appear on the paper. The word are a light brown color.,the lemon juice reacts with oxygen in the air.,Help,to find out if potassium reacts with cold water.,a container, cold water, potassium, filter paper（滤纸), a pair of tw
15、eezers(镊子）,(1)Half-fill the container with cold water. (2)Take a piece of potassium out of the oil. (3)Dry the potasium with the paper. (4)Put the potassium into the water.,The potassium burns.,Potassium reacts with cold water.,An Experimennt Report,Aim Apparatus,GW: apparatuses, conclusion, reacts,
16、 experiment, pour, scientific,This is a _ _ done in a lab. First, get all the _ ready on the desk, a container(容器) with some cold water in it, some potassium(钾) and a spoon. Secondly, _ some potassium into the water. Then a strong light will be seen, and it lasts for a while. We can reach a _ that p
17、otassium _ with cold water.,scientific experiment,apparatuses,pour,conclusion,reacts,GW: apparatuses, conclusion,Sum up,How can you do a scientific experiment successfully?First, we need to have an_ and prepare _ for the experiment before we do the experiment.Second, we must use correct_to do the ex
18、periment and watch carefully.Then we can get the_and draw a_.,aim,apparatus,methods,result,conclusion,Sum upHow can you do a scienti,Science plays an important role in our daily life. So we should love science. And we should own the scientific attitude towards our work and study. 科学在我们的日常生活中非常重要，我们应该热爱科学，并且我们应该拥有一种科学的对待我们学习和生活的态度。,Science plays an important r,外研必修1-A-lesson-in-a-lab-课件,
