八年级英语下册 Unit4 Lesson 31教案 冀教版.doc

冀教版英语八年级下册Unit4 Lesson 31教案
　　Lesson 31 Surprise Your Friend！
　　Step1、 Revision
　　?Sing the song in Lesson28.
　　?Ask a group of volunteers to act how to keep the candle burning.
　　?Describe it to the class.
　　Step2、Reading
　　Read the letter and find out the steps to do the experiment. “First…，Next…” Then ask your class “Why does the cardboard hold the water?”
　　Step3、Discussion
　　Discuss the reasons of “ the cardboard can hold the water” with your class.
　　Do you think science is interesting？Would you like to do another one？Have a try please. Come to “LET'S DO IT！”
　　Class closing
　　1、Finish off the activity book.
　　2、Try to do another experiment that you are interested in.
　　3、Preview Lesson 32.
　　Language points
　　1、First，you need to get ready.
　　need
　　1）vt.
　　I don't think you need to worry about this.
　　These flowers needs watering.
　　They need our help.
　　2）v.aux.
　　Need I go so early？
　　-Must I finish my homework this morning，mum？
　　-No，you needn't.