Module 5 A Lesson in a LabA Simple Scientific Experiment临清市实验高级中学 刘庆利 ★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 What was it made of ? potassiumpotassiumsodiumsodiumcalciumcalciummagnesiummagnesiumaluminiumaluminiumzinczincironironcoppercopper 1.The Different Uses of Metals 2.The Reaction of Metals 3.The Reaction of Metals with OxygenChoose the best title for Passage A. Read Passage A again and answer the questions 1. Which metals react 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,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 doesn’t.No, it doesn’t. Do you think it is scientificto make Goujian Sword by using copperAfter learning Passage A What 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 substanceshow lab How many stages are there in a scientific experiment reportPassage B Iron in dry airIron in air-free waterIron in ordinary waterUse of cotton wool______________Use of oil________________________Why it rusts______________→cotton wool②nails→ ___→→→→→______________ordinary waterrusty nailsoilwaterKeep the nails dry Keep air out of the waterAir in the water①④③⑤⑥⑧⑦nails Conclusion Iron rusts in____________. Iron doesn’t rust in _____and___________ordinary waterdry air air-...
