辽宁省大连铁路中学2013-2014学年高一英语课件： Module 5 A lesson in a lab-reading (外研版必修1)精选.ppt

* * * * * * * * * Aim Apparatus Method Result Conclusion To find out if... Iron nails, test tubes, oil, tube holders, cotton wool, Bunsen burner (3) half-fill...with, add, leave...for After a week, rust ( not ) rust in (1) put...at the bottom of; push...down leave...for (2) half-fill...with..., boil, put, add...to, keep...out of, leave...for 3.Jigsaw （线索）reading Fill say 4.Complete the sentences using what we learnt In the first part of the experiment, the ____ is dry. It shows that iron ___________ in dry air. In the second part, you must _____ the water to ______ _______ that there is no air in it. ______ some oil to the water can ______ the air out of it. It shows that _____ don’t rust in ____________ water. In the third part, _______ the tube with water. It shows that they rust in _________ water. air doesn’t rust boil make sure Adding keep nails air-free half-fill ordinary 5.Discussion Do you like doing scientific experiments? What should you pay attention to （注意）when you are carrying out an experiment（做实验） in a lab? 6Language points react with sth. 化学反应 to sth. 反应 eg. An acid can react with a base to form a salt. How did your mother react to the news? 2.put sth. in order 按顺序排列 in order of … 按…的顺序排列 in order to do sth. 为了做某事 at the top of … at the bottom of … 3.make sure of sth. that clause eg. I made sure of his arrival. You’d better make sure when and where the meeting will be held. 4.add… to … 把… 加入 … add to 增加 add up 加起来 add up to 总计是 5.think 短语小结: think about think over think of …as… think out think highly/much of think lightly/little of 考虑 仔细考虑 把……看作…… 想出来, 想清楚 看重 轻视 ____ and you’ll have a good idea. think it over B. think over it C. thinking of it D. if you think about it 6.leave 1. 他把衣服忘在操场上了。 He left his clothes on the playground