外研版高中英語必修1module5alessoninalab第三課時-wenkub
2022-11-28 19:55:06 本頁面
【正文】 m? 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 → ___ → → → → → ____ ___ ___ ____ ordinary water rusty nails oil water Keep the nails dry Keep air out of the water Air in the water ① ④ ③ ⑤ ⑥ ⑧ ⑦ nails 2020/12/24 Conclusion Iron rusts in____________. Iron doesn’ t rust in _____ and___________ ordinary water dry air airfree water . 2020/12/24 ① ② ① ② ③ ④ ⑤ ⑥ halffill …with.. boil … put … in… add …to … leave … result Observe the following experiment carefully and then write down an experiment report Aim Apparatus Method Result Conclusion to find out if p
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