1、Lesson 24 An E-mail to GrandpaLearning AimsA. New words:B. Phrases and expressions:first, then, next, finally （表顺序）, push up/down, hold sth upC.Ability aims : Ss can describe the process of the experiment.D.Moral aims: Lead Ss be interested in science.基础达标A.Warming-up: Say something in English to de
2、scribe the experiment you like._B.Word-spelling:1.Who first _ (discover)America.2. He _(explain) that he had been cheated (受骗) . 3.This girl got_(interest) in music when she was five years old.4.Can you see liquid water _(come) out of the tap or _ (run) in a river. 5.I have finished_(do) my homework
3、, have you finished yours?C.Translations:1.使某人吃惊 2.准备3.坐下 4.用 覆盖5.把 倒过来 6.从拿开7.告诉某人做某 8.push up push down9.hold sth up设问导读A. Listen and Answer:Q1: Whats the date?_Q2: What did Danny do in science class? _B. Read and Fill in the blanks:Brain,Jenny and Danny _ did an _ in _ class. First they got a gla
4、ss _ _ water and a piece of _. Then they _ the glass with it, and turned the glass _ . After that they took the hand _. The cardboard _ the water up. In the experiment, air _ up on the cardboard. But it couldnt _ down on the water. The air _ the water! Air is _ than we think!C. Read and translate th
5、e important sentences given, and summarize the usages of key words:1. Do you want to surprise your friends?_2.First, you need to get ready. Next , take your hand offl_3.The cardboard will hold the water up!._4.Dont you think so?_自我检测A .Act out the dialogue in groups.B Fill in the blanks:1.The news_
6、(surprise) us all.2. I need_ (buy) a piece of newspaper. 3.The highway was_ (cover) with snow.4.It is an_ ( interest) book for children. 5.The doctor_ (examine ) the boy and found there was nothing the matter with him. 6.Ill_ (prove) to the world that he was right. 7.She_ (tell) me that she would be
7、 back in an hour. 8.They _ (get) ready _ (have) a party now.巩固练习 ( )1. I have learned English _ 2000A. since B. for C. after D. before( )2. Marys parents are strict _ her.A.at B. in C. with D. to( )3. He was very excited about _a picnic.A. having B.to have C. have D. to having( )4.Look!_some sheep o
8、n the hill (2006 湖南)A.there have B.there has C. there is D. there are ( )5.They didn t go to bed _ they finished their homework.(2006 安徽)A. until B. because C. when D. if拓展探究Write a short passage to introduce an interesting experiment you have tried or have seen in your science books to your class.作业布置1.Read and recite the text after class.2.Finish off the exercises in the matched books.3.Preview Lesson 25.
