1、Lesson 25 lets do an experiment ! - 學習目標 : 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. 實驗；試驗實驗；試驗 An experiment shows what happens

2、.theory n. 理論；學說理論；學說A theory is an idea.jar n.廣口瓶；罐子廣口瓶；罐子fill v.裝滿裝滿 Please fill the jar with water.upside n.上部；上邊上部；上邊prove v.證實；證明證實；證明 Lets do an experiment and prove whos right.observe v.觀察；監視觀察；監視 Please observe carefully what I do.This study is not scientific. He taught us some new scientifi

3、c methods. scientist n. 科學家；科學家； 科學工作科學工作 science n. 科學科學 method n.方法；辦法方法；辦法 Thats called the scientific method. experiment 實驗；試驗實驗；試驗 theory 理論；學說理論；學說 jar 廣口瓶；罐子廣口瓶；罐子 fill 裝滿裝滿 upside 上部；上邊上部；上邊 prove 證實；證明證實；證明 observe 觀察；監視觀察；監視 scientific 科學的科學的 method 方法；辦法方法；辦法 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. 我用水把瓶子裝滿。我用水把瓶子裝滿。 fill with用用裝滿裝滿 He has filled his case with many books. 他已經把書裝滿了箱子。他已經把書裝滿了箱子。 coverwith 用用蓋住蓋住2. I turn the jar upside down. 我把廣口瓶倒置。我把廣口瓶倒置。upside

5、 down 的意思是的意思是“向下翻轉過向下翻轉過來來”. You hold the book upside down. 你把書拿倒了。你把書拿倒了。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.我們將做這個實驗并觀察會發生什么情況。我們將做這個實驗并觀察會發生什么情況。 observed 動詞動詞, “觀察觀察”。 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. 當她聽到這消息后，熱淚滿眶 - When she heard the news , her eyes tears .李明把籃子 裝滿了蘋果 - Li Ming the basket apples .不要把瓶子倒過來，否則水會流出來 - Dont the bottle , or the water will be out .我敢肯定你會通過這次考試 - you will pass the exam .我用一個玻璃蓋把種子蓋住了. - I the seed a cover .今天是周末，為什么不去購物呢？ - Today is Saturday , go shopp