冀教版九年级lesson 25

1、Lesson 25 lets do an experiment ! - 学习目标 : 一、 To master the new words :二、 To master the important phrases .science , experiment , theory , fill , jar , upside , prove , observe1、 fill with 2、 coverwith 3、 turnupside down . 4、Im sure 5、 anotherexperiment n. 实验；试验实验；试验 An experiment shows what happens

2、.theory n. 理论；学说理论；学说A theory is an idea.jar n.广口瓶；罐子广口瓶；罐子fill v.装满装满 Please fill the jar with water.upside n.上部；上边上部；上边prove v.证实；证明证实；证明 Lets do an experiment and prove whos right.observe v.观察；监视观察；监视 Please observe carefully what I do.This study is not scientific. He taught us some new scientifi

3、c methods. scientist n. 科学家；科学家； 科学工作科学工作 science n. 科学科学 method n.方法；办法方法；办法 Thats called the scientific method. experiment 实验；试验实验；试验 theory 理论；学说理论；学说 jar 广口瓶；罐子广口瓶；罐子 fill 装满装满 upside 上部；上边上部；上边 prove 证实；证明证实；证明 observe 观察；监视观察；监视 scientific 科学的科学的 method 方法；办法方法；办法 1.Whats Dannys theory? 2.What

4、s Brians theory? Danny thinks the floor will get wet. Brian thinks the floor wont get wet.Main Sentences 1. I fill a jar with water. 我用水把瓶子装满。我用水把瓶子装满。 fill with用用装满装满 He has filled his case with many books. 他已经把书装满了箱子。他已经把书装满了箱子。 coverwith 用用盖住盖住2. I turn the jar upside down. 我把广口瓶倒置。我把广口瓶倒置。upside

5、 down 的意思是的意思是“向下翻转过向下翻转过来来”. You hold the book upside down. 你把书拿倒了。你把书拿倒了。right side up 是是“正面朝上正面朝上”的意思的意思4. Well do the experiment and observed what will happen.我们将做这个实验并观察会发生什么情况。我们将做这个实验并观察会发生什么情况。 observed 动词动词, “观察观察”。 observe sb. do/ doing sth. 如：如： I observed her dance.When I passed by the g

6、rass, I observed himWalking.Before experimentPrepare the things needwatera jara piece of cardboard1.Fill the jar with water .2. Cover the jar with a piece of cardboard.3. Turn the jar upside down. Lets do an interesting experiment. First, I _ a jar _a desk, _it _ water, then _the top _ a piece of ca

7、rdboard. When I _the jar _ _, can you guess what will happen? putonfillwithcoverwithturnupsidedownStep 3 Main steps:Write down the steps of doing the experiment1. Fill a jar with water.2. Cover the top with a piece of cardboard.3. Turn the jar upside down.Step 4 Result: Write down the result of the

8、experiment. The force of air will keep the water in the jar.六、Put the following Chinese into English .1. 当她听到这消息后，热泪满眶 - When she heard the news , her eyes tears .李明把篮子 装满了苹果 - Li Ming the basket apples .不要把瓶子倒过来，否则水会流出来 - Dont the bottle , or the water will be out .我敢肯定你会通过这次考试 - you will pass the exam .我用一个玻璃盖把种子盖住了. - I the seed a cover .今天是周末，为什么不去购物呢？ - Today is Saturday , go shopp