外研必修1高一英语课件：Module5 Reading.ppt

孔隆教育 孔隆教育 Module 5 A Lesson in a LabA Simple Scientific Experiment Choose the best title for Passage A. 1.The Different Uses of Metals 2.The Reaction of Metals 3.The Reaction of Metals with Oxygen 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? Conclusion Iron rusts in____________. Iron doesn’t rust in _____ and___________ Observe the following experiment carefully and then write down an experiment report  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 experiment and watch carefully. Then we can get the____and draw a________. * ★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 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 Why it rusts ______________ Use of oil ________________________ Use of cotton wool ______________ Iron in ordinary water Iron in air-free water Iron in dry air → 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 ordinary water dry air air-free