高一英语Scientists at work教案2

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