School Science Fair
Unit3 School life
Key words & phrases:prize,video,piece,visitor,win first prize,a piece of,be interest in,different kinds ofKey sentences:1.I hope to win first prize.　2.You will do a great job！　3.I am really interested in this subject.　4.I have a small piece of old silk.　5.I will make ten different kinds of donuts.　6.A fair is a place where people go to present their work or buy and sell different goods.　
Learning Targets
Lead in
Look at the following pictures and talk about  ...