八年级英语下册 Unit4 Lesson 30教案 冀教版.doc

冀教版英语八年级下册Unit4Lesson30教案Lesson 30 Keep the Candle Burning !Step1、We have learned some experiments，such as “The force is all around you” “Weird mud”，today lets enter another experiment.Step2、Presentation1）Come to “THINK ABOUT IT！”Discuss them in groups.2）PresentationLook at these things. Can you name them？How do we use them to do the experiment？ Fill out the charts.1.Put the candle in the candleholder.2.Put the candleholder in the dish.3.Fill the dish half full of water.4.Light the candle.5.Let the candle burn for two or three minutes.6.Carefully put the jar over the candle until the top of the jar rests on the dish.7.Look at the water in the jar. What observation can you makeStep3 Doing and explaining.Divide students into groups with three or four. Have them explain as they do it. After doing that，whats your conclusion？Is it interesting？What experiment would you like to do in this unit？Choose one and have a try as the PROJECT says.Class closing1、Finish off the activity book.2、Try to do another experiment that you are interested in.3、Preview Lesson 31.Language points1、As the candle burns, it uses up oxygen in the jar.burn v. （burned, burned /burnt, burnt）Dont burn yourself when you light the candle.use upGlue is all used up.as conjShe listens to the radio as she washes clothes.We should do as we say.You did the homework as well as he did.Good-bye everyone.