课件14张PPT。Unit
5Oxford EnglishModule 3 Natural elementsWaterPeriod 4Writing
Speak upChecking-up1What can we do to save water?Writing 2An experimentWhat is the boy doing?He is doing an experiment .STEP ONESTEP TWOSTEP THREESTEP FOURDescribe the four steps in your own words.A flow chartthe water starts to dry up Then stir the water. The
salt disappears and becomes part of the water. Next,
heat the water. You can see a white cloud. It is made
up of small drops of water. Continue to heat the water. Speak up3How does water become rain?How does water become rain? In groups, talk about this process.A flow chart abouthow water becomes rainFirst, … heats the water …Then, … becomes vapour …Next, … forms clouds …Finally, … cools …Using a flow chart4Go over the process of how water becomes rain. Take notes on the important steps.In groups, make a flow chart about the whole journey of water. Here is an example:in a clouddrops into a river…HHomework抄写单词和短语: continue,crystal, experiment, form, stir,vapour;dry up,(be) made up of等。
熟练朗读课文,并独立完成水循环的流程图。
完成《综合练习册》第82页Listening and speaking F和第86页Writing的练习。