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外研版高中英語(yǔ)必修1module5alessoninalab第三課時(shí)(已修改)

2024-12-03 19:55 本頁(yè)面
 

【正文】 2020/12/24 ★ 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 2020/12/24 potassium sodium calcium magnesium aluminium zinc iron copper 2020/12/24 Different Uses of Metals Reaction of Metals Reaction of Metals with Oxygen Choose the best title for Passage A. 2020/12/24 Read Passage A again and answer the questions ? Which metals react the most with oxygen and water? ? What happens when you heat calcium in oxygen? ? 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 calsium. It burns to form an oxide. Magnesium,aluminium,and zinc. Slow. No, it doesn’ t. Do you think it is scientificto make Goujian Sword by using copper After 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 substances how How many stages are there in a scientific experiment report Passage B 2020/12/24 Iron in dry air Iron in airfree water Iron in ordinary water Use of cotton wool ______________ Use of oil ________________________ Why it rusts ______________ → cotton wool ② nails → ___ → → → → → ____ ___
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