Unit5 writing课件-2024学年沪教牛津版英语七年级下册

7B Unit 5 Water Writing 学习目标： 1.学会运用流程图描述事物发展的进程。 2.学会写如何保护水资源 Part 1 What is the boy doing? He is doing an experiment.. Pre-writing P67  /ɪkˈsperəmənt/  How many steps does the experiment have?. 1 3 2 4 4 steps. Presentation What experiment is the boy doing? In groups, describe the pictures. Writing: An experiment Add some salt to a glass of water. Stir the water. (disappear, become part of) Heat the water, (a white cloud, be made up of, small drops of, continue) Finally, … (start to day up) add A to B add some salt to a glass of water Picture description salt a glass of water Step 1 Describe The salt __________________________________. stir the water water Step 2 Picture description disappears and becomes part of the water stir （搅拌），disapear, become part of Describe Observe (观察) Picture description a white cloud small drops of water Step 3 Heat the water. You can see a white cloud. It is made up of small drops of water. Continue to heat the water. a white cloud, be made up of, small drops of, continue（继续） heat Result Picture description crystal （结晶） dry up Finally,... start to dry up Finally, the water starts to day up. The salt turns into crystals. How to use a flow chart to help you write about an experiment? 祈使句 时态：一般现在时. 用连接词来表示事件发展顺序 First, … Then/ Next/ After that.... Finally, … While-writing Presentation Write a short paragraph about this experiment. Writing: An experiment First, add some salt to a glass of water. ________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ Finally, ___________________________. The salt turns into crystals. Writing Write a short paragraph about this experiment. Use the information in A to help you. First, add some salt to a glass of water. ____________ ______________________________________________ ________________________________