Lesson25+Let’s+Do+an+Experiment!（新冀教版九年級(jí)Unit5）田海霞[1]

1、 Lesson 25 Lets Do an Experiment!試馬鎮(zhèn)初級(jí)中學(xué) 田海霞Learning aims:Aim of knowledge(知識(shí)目標(biāo))A. Vocabulary: （詞匯） science experiment prove observe cardboard fillwith cover.with, turn upside down inside outsideB. Sentence Patterns（句子） 1. Im sure the floor wont get wet. 2. Im not sure. I think the floor will get we

2、t. 3. Maybe you should do this experiment outside.Aim of ability（能力目標(biāo)）How to to talk about certainty and uncertainty. Aim of emotion(情感目標(biāo))Arouse the students interest in doing science experiment. science 科學(xué) experiment 實(shí)驗(yàn);試驗(yàn) theory 理論;學(xué)說(shuō) fill 裝滿(mǎn)jar 廣口瓶; 罐子 upside 上部;上邊prove 證實(shí); 證明 observe 觀察;監(jiān)視scient

3、ific 科學(xué)的 method 方法; 辦法Learn the words and expressionsFill in the blanks with the right words and the first letter is given.1. Lets do an e .2. Brian has one t and Danny has another.3. They can p whos right.4. I turn the jar u down.5. Please o carefully.xperimentheoryrovepsidebserve. Listen and answe

4、r1. What will Brain do?He will do an experiment1. Why does Danny say they should do this experiment outside?Because Danny thinks the floor will get wet. 2. Whats Brains theory? Brian is sure the floor wont get wet.QUESTIONS Finish off these exercises.1.用把裝滿(mǎn) _ 2.用把蓋住 _3.我(不)確信 _4.正面朝上 _5.把翻轉(zhuǎn)_6.get we

5、t _ 7.do an experiment _8.a piece of cardboard _9.inside（反義詞） _ 10.theory（復(fù)數(shù)） _11.careful (副詞）_ 11.science(形容詞）_fillwithcover withI am (not) sureright side upturn upside down / turn over變濕做一個(gè)實(shí)驗(yàn)一塊硬紙板outsidetheoriescarefullyscientificLets do itWrite down the steps of doing the experiment1. Fill a jar

6、with water.2. Cover the top with a piece of cardboard.3. Turn the jar upside down.What will happen ? You may sayIm sureIm not sure The floor will get wet.I think The floor wont get wetMaybe The cardboard can keep the water in the jar.一、I fill a jar with water. 我用水把瓶子裝滿(mǎn)。 fill with 用裝滿(mǎn) (主語(yǔ)是人) be full

7、of / be filled with (主語(yǔ)是物或容器)同義句轉(zhuǎn)換。1.The rooms are full of the students now. The rooms _ _ _ the students now.2.My pocket is filled with the money. My pocket _ _ _ the money. 選擇。5. Can you _ the box _ books? ( ) A fill ,with B full ,with C filled ,with D full , in6.The child _ all the bowls _ water.

8、( )A fill,with B fills, with C is full ,with D is filled ,with are filled with is full of AB學(xué)以致用二. I turn the jar upside down. 我把廣口瓶倒置。upside down 的意思是“向下翻轉(zhuǎn)過(guò)來(lái)”. You hold the book upside down. 你把書(shū)拿倒了。right side up 是“正面朝上”的意思That picture is upside down.學(xué)以致用三、 Im sure the floor wont get wet. 我確信地板不會(huì)濕。b

9、 e sure 表示肯定, 有把握,而be not sure 表示不確定be sure/ be not sure 后可接句子，還可接代詞、名詞、動(dòng)名詞或不定式。常見(jiàn)用法： be sure of sb / doing sth , be sure to do sth完成下列各題。1.我確信她會(huì)來(lái)。_that she will come here.2.他沒(méi)有把握通過(guò)考試_to past the exam.3.Im sure _ Jim plays basketball well .（ ）A of B to C that D withIm sureHes not sureCPRACTISE. . pr

10、actise He _ the stockings _ christmas presents. （用裝滿(mǎn)） Please pass me a bottle _ water.A. full with B. filled of C. filling with D. full of My mother is holding the book _ _ . （倒著）我弟弟用一塊玻璃蓋住了那個(gè)杯子。 My brother _ the glass _ a piece of glass 我肯定他會(huì)來(lái)。_ _ _ he will come. filledwithDupside downcoveredwith I

11、 am sureNew words:science scientific experiment fill prove method theory jar observe Phrases :be filled with be full of cover with turn upside down Sentence Patterns:SUMMARY sb. be sure +that 從句sb. be not sure +疑問(wèn)詞引導(dǎo)的從句How do we do the experimentFirst, _ a jar _ water.Then ,_ the top _ a piece of cardboard. Finally, _ the jar _ _. withwithturnfillcoverupside downRead the text again and again till