英语冀教版下Unit4单元复习课件.ppt

unit 4,lesson 25,1.do an experiment 2.fill .with 3.turn.upside down 4. right side up 5.scientific method,1.做一个实验 2.用.把.装满 3.把.翻转过来 4.正面朝上 5.科学方法,基本词汇,1. A theory predicts what will happen. 2. An experiment shows what happens. 3. I fill a jar with water. (fill with ，用装满 be filled with 是其被动式，意为“装满的” be full of 与be filled with 意思相同) 4. I cover the top with a piece of cardboard. (cover with ,用盖住 be covered with 是其被动式，意为“被覆盖的”),重点句型,5.Then I turn the jar upside down. (turn upside down, 把翻转过来) 6.Im not sure. 7Im sure the floor wont get wet. (be sure, 相信，确信，后常跟从句) 8.I think the floor will get wet. 9.Brian has one theory, and Danny has another. 10.Well do an experiment to observe what will happen. 11.Thats called scientific method. 12.Observe is another way of saying watch carefully. ( is another way of saying ),重点句型,I am sure she will come in five minutes.,The boy got wet in the rain.,Lets do an experiment and see what happens,My brother covered the jar with a piece of glass,The basket is filled with big red apples.,lesson 26,1.talk about 2.do the experiment 3.turn over 4.get wet 5.the force of the air 6.dryoff,1.谈论 2.做实验 3.翻转 4.弄湿 5.空气的力量 6.使弄干/变干,基本词汇,1.Brian, Jenny and Danny are talking about their experiment. 2.The force of the air will keep the water in. 3.I will ask the class to make observations and guess what will happen. (tell /ask sb. to do / not to do sth.) 4.I will bring my swimsuit to school that day. (bring to / take to bring, 拿来；take, 拿走) 5.I will need to dry myself off.,重点句型,用做给单词的适当形式填空。 1. He likes swimming. He has several_ (swimsuit). 2. We need to make _(observe). 3.He will ask us_(turn) the book over. 4. No one knows what _(happen) next. 5. I think she _(bring) her new watch to school.,连词成句 1.well, my, asked , English, learn, us, teacher, to _. 2.theory, was, your, why, wrong _? 3.your, dont, to, pet, bring, school _. 4.observe, what, will, we, happen _. 5.will, tell, I, students, what, do ,to, going, were, the _.,My teacher asked us to learn English well.,why was your theory wrong,Dont bring your pet to school.,We observe what will happen,I will tell the students what were going to do,lesson 27,1.take. off 2. I think so 3.take away 4.weiry mud 5.eight spoonfuls of ,1.把.拿开 2.我这样认为 3.取走 4.神奇的泥土 5.八汤匙的,基本词汇,1. Brian, Jenny and Danny stand in front of the class. (in front of, 在的前面； in the front of ,在的前部 ) 2.Are you ready, Danny? (be ready, 准备好了) 3.Brian will take his hand off the cardboard. (take off, 把拿开； take off还有“脱掉；起飞”的意思) 4.Brian takes away his hand. (take away, 拿走，取走) 5.Are you surprised, class? (be surprised. 惊奇的，惊讶的，be surprised at, 对惊讶),重点句型,6. We have discovered that cardboard can hold the water in. 7.What are your conclusions? (你们的结论是什么？类似的用法有： 8.What is the price/ population/ number?) 9.The air pushes up on the cardboard. 10.The force is strong enough to hold the water. (strong enough, 足够强。 形容词+ enough , enough修饰形容词要后置) 11.Air is stronger than I thought. 12.Put eight spoonfuls of cornstarch into the bowl. 13.Add four to five spoonfuls of water.,重点句型,14.Mix the cornstarch and water together. (mix A and B together, 把A和B混合在一起),重点句型,用做给单词的适当形式填空。 1.we will ahve a medical_(examine) next month. 2. The air _(push) up on the cardboard. 3. That is a _(mix) of eggs, flour and milk. 4. My father is much_(thin) than my mother. 5. Is the river deep enough_(swim)in.,连词成句 1.in, are,many,park, there,cars,of,the,front _. 2.more,you,like,would,coffee,sugar,your,in _? 3.her,take,hand,Mary,the, will,cardboard,off _. 4.me,explained,already,problem,has,this,to,she _. 5.dissolves,something,water,in _.,There are many cars in front of the park,would you like more sugar in your coffee,Mary will take her hand off the cardboard,She has already explained this problem to me,Something dissolves in water,lesson 28,1.fill the bowl 2.empty plate 3.the opposite of. 4.have a meal,1.盛满饭 2.空盘子 3.的反义词 4.吃顿饭,基本词汇,1.Empty is the opposite of full. ( be the opposite of 与相反),重点句型,用做给单词的适当形式填空。,He wont play until he finishes his homework,Why not go with them,Full is the opposite of empty,Please fill my bowl with good food,The dumpings taste so great,lesson 29,1.be gone 2.hunt for 3.be sure(that) to do sth. 4.climb the tree 5.have fun doing sth.,1.消失 2.寻找 3.确信 4.爬树 5.做. 有乐趣,基本词汇,1. Debbie will have fun looking for them. (have fun doing sth. / Its fun to do sth.) 2.Lets hide the eggs. 3.Debbie will be here soon. 4.Jenny, Brian and Danny put eggs on the ground. 5.They hide them behind rocks and under trees. 6.We put Easter eggs everywhere in the park. 7.My basket is full of eggs.(be full of ) 8.Im sure you like this experiment.,重点句型,9.To make a candle burn, you light it. 10.Carefully put the jar over the candle until the top of the jar rests on the dish. 11.What conclusion can you make? 12.As the candle burns, it uses up oxygen in the jar. (use up ,用完，用光 ) 13.The water inside the jar then rises. 14.How far does the water rise? 15.The water rises and fills about one-fifth of the jar. (one-fifth,五分之一。 分数表达：基数词 / 序数词(s) 16.I think so. / I dont think so.,重点句型,It is Easter Sunday,We dont want them to see her.,I am sure nobody will see it,They put chocolate eggs on the ground,Where did Dany hide himself,lesson 30,1.use up 2.the top of the jar 3.a shallow plate/dish 4.light a candle,1.用完，用光 2.广口瓶的顶部 3.一个浅盘 4.点燃蜡烛,基本词汇,1. Carefully put the jar over the candle until the top of the jar rests on the dish. 2.Let the candle burn for two or three minutes. 3.As the candle burns, it uses up oxygen in the air. 4.There is about one-fifth oxygen in the air. 5.The candleholder is “holding“ the candle. 6.Science is so interesting. 7.I am sure that youll like this experiment. 8.To make the candle b