高一英语Scientists at work教案2

师哈哈达人

教学示例（一）
　　i. teaching aims:
　　talk about science and scientists.
　　learn how to give instructions.
　　similar dialogue presentation with new words and expressions used within
　　ii. teaching aids: tape recorder, pictures, slides
　　step i warming up
　　1.t ask ss: what can you see in pictures? what are they doing now? do you like do some experimentation in the lab? is it dangerous?

　　what are the names of the school subjects in which you study sciences? (physics, chemistry , biology)
　　what english words do you think of for each subject of science?(physics, chemistry , biology)
　　which experimentation do you like? why?
　　give an example of what you learn about for each field of science.
　　1. in chemistry we learn about the way different liquids and materials react with each other. for example, if you put a piece of metal into a glass containing a strong acid, it will dissolve.
　　2. in physics we learn about the law of the universe, for example about newton and the reason why all things on earth fall down.
　　3. in biology we learn about life on earth, for example by looking at the structure of cells)
　　2. pair work
　　let ss work in groups, and what do you need when you do you experimentation in the chemistry lab? find out the things and tell the reasons.
　　         
　　glasses                  bandage                      gloves
　　       　　   
　　respirator                gas mask      　    scissors
　　step ii. listening
　　1.t say to s： let us listen to a dialogue. in the dialogue, you will hear a teacher gives instructions to a group of students how to behave in a science lab.
　　2. let ss listen carefully and remember the safety instructions, and complete the exercise in the book.
　　3. play the tape twice or more, and check the answers with the class.
　　step iii. speaking
　　1. show the picture of high-speed maglev train and ask ss: do you know this? it is a high-speed maglev train, in chinese “高速悬浮磁列车” .
　　t ask: what do you think it is helpful for people? why?
　　t say: let’s read a dialogue and what they think of the train.
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高一英语Scientists at work教案2
　　let ss read the dialogue in the book , explaining the word ‘high-speed maglev train’
　　2. let ss work in pairs, and discuss the advantages and disadvantages of the cloning, nuclear energy , computers, space flights.
　　2. that information can help students get ideas for advantages and disadvantages.
　　cloning: people that look the same; making people and animals which are in danger in the world; help people who lost an ear/ eye/leg…
　　nuclear energy: doesn’t pollute the environment; very dangerous waste; make all the electricity society needs.
　　space flights: understand the outer space; very expensive; shows how far a country has developed.
　　step iv practice
　　finish the exercises “listening” “talking” in workbook
　　homework
　　finish off the exercise “practising” in the workbook.
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高一英语Scientists at work教案2