高中英語module5alessoninalab第一課時課件外研版必修1(已修改)
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【正文】 Module 5 A lesson in a Lab 外研社 高中英語 第一冊 new words ⒈ To learn about some vocabulary and knowledge related to science and experiments ⒉ To know how to do a simple experiment and write the report about it in English 3. To raise interests in science and form the right scientific attitude. Teaching Aims lab test tube balance Bunsen burner crucible 本生燈（煤氣噴燈） 坩堝 ? When the iron is heated(加熱） it will When the iron is cooled(遇冷） it will expand contract How much do you know about general science? How many states does matter exist as? Use your mind! liquid oxygen metal Read the words together Step I Prereading Put these words in the correct order to describe the stages of a scientific experiment. conclusion aim result method ? When we do an experiment , we should first of all have an should use proper should find out the _________and get a________. aim methods result conclusion Scanning: Listen to passage A quickly and choose the best title for it. The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen Passage A Careful Reading 。 Read passage A carefully and answer: ? 1. Which of the metals in the table reacts the most with oxygen and water? 2. What happens when you heat calcium in oxygen? 3. Which metals react with steam? 4. Does iron have a slow or fast reaction with steam? 5. Does copper react with water? Potassium, calcium and sodium. It burns to form an oxide. Magnesium, aluminium and zinc. It has a slow reaction. No, it doesn’t. Passage B : Some important words about the experiment: ?apparatus (儀器 ,設(shè)備 ) ?holder (臺、架等 )支持物 , 固定器 ?cotton wool 棉絮 ?bunsen burner本生燈 （煤氣噴燈） Iron in dry airPut/ push/ leave Iron in airfree water Halffill/boil/ make sure/ put/ add/keepout of Iron in ordinary waterHalffill and add/ leave Stage A (Starting experiment) Stage B (1 week later) Stage C (Result ) ____________ ________
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