外研版英语必修1Module5Readingandvocabulary课件

1.In order to keep healthy, we need to drink______ water.boiled 2.As a student, we need to ____ a habit of reading English every morning. form 3.When we buy something ,we need a ______ to weigh it.balance 4.From the discussion, we can come to a __________ that we should protect the environment. conclusion 5.When we put salt into water, it will _______ quickly.dissolve Copper Gold 金 Iron Silver 银 Steel 铜 铁 钢 Potassium 钾Calcium 钙 Aluminum 铝 Magnesium 镁 Sodium 钠 Zinc 锌 1.What is important when we use different metals? 2.Which metal reacts most and which metal reacts least? Passage A Which one is the best title of Passage A? 1.The Different uses of Metals 2.The Reaction of Metals 3.The reaction of Metals with Oxygen Questions about the table 1.Does copper react with water? 2.If we heat sodiun in oxygen, it will_____________________. 3.If we heat iron in oxygen, it will___________. burn to form an oxide react slowly pan sodium iron Passage B A Simple Scientific Experiment Apparatus仪器 iron nails Bunsen burner test tube test tube holder cotton wool Passage B In order to find out if ____________, we need _______________.The methods are as follows. First,_____________________________. (Then/Next/After that/)_________________. At last,_____________________. After one week,_____________________. So, we can draw a conclusion that______. Iron in dry air In order to find out if ________________, we need _____________________________ __________. The methods are as follows. First,______________________________ ___________.Next, ____________________ ___________ At last,_____________________. After one week,_____________________. So, we can draw a conclusion that_________ ___________. Iron in dry air iron rusts in dry air some iron nails, a test tube, some cotton wool we put some iron nails at the bottom of a test tube we push some cotton wool down the tube leave the tube for one week the nails haven't rusted rust in dry air iron does not experiment report aim apparatus method result conclusion 为了找出过氧化钠(sodium peroxide)是否可以和 二氧化碳(carbon dioxide)发生反应，我们将适量 的过氧化钠放进棉里包好，将它放在石棉网上， 通过吸管（straw)向棉花团里吹气，观察实验结果。 Difficult words: 适量的 (adj.) proper 石棉网 n wire net 吹气v. Blow 小勺 spoon Discussion and Writing In order to find out if ____________, we need _______________.The methods are as follows. First,_____________________________. (Then/Next/After that/)_________________. At last,_____________________. After one week,_____________________. So, we can draw a conclusion that______. In order to find out if sodium peroxide can react with carbon dioxide, we need some sodium peroxide, cotton wool, a spoon, a wire net and a straw.The methods are as follows. First, we put proper sodium peroxide into the cotton wool with a spoon and fold it.Then,we put it on a net wire. At last, blow on the cotton wool with a straw. We can see the cotton wool will catch fire gradually. So we can come to a conclusion that sodium peroxide can react with carbon dioxide. Practice makes perfect ! Homework Cindy做了一个实验。为了比较橘子汁和油在 水中的溶解速度，他将水倒入两个试管里， 保证两根试管内的水量相等; 同时在一根试管 内放入一勺橘汁（a spoonful of orange juice），在另一根内放入一勺油, 等待5分钟 后，橘汁溶解，但是油仍然留在水的表层。