高中英語 Reading And Vocabulary5課件 外研必修1

1、2021/8/11 星期三1welcome2021/8/11 星期三2Reading And VocabularyDo you like scientific experiments?Have you ever done it by yourselves?Are you clear with the stages（階段，時期） of a scientific experiment? What are they? And whats the right order of them?2021/8/11 星期三3stages of a scientific experimentaimmethodre

2、sultconclusion2021/8/11 星期三4Passage A Choose the best title for this passage. A. The Different User of Metals B. The Reaction of Metals C. The Reaction of Metals with Oxygen2021/8/11 星期三5Questions:1.Which of the metals in the table reacts the most with oxygen and water? key: potassium, sodium, calci

3、um.2. What happens when you heat calcium in oxygen? key: It burns to form an oxide.3. Which metals react with steam? key: magnesium, aluminium, zinc.4. Does iron have a slow or fast reaction with steam? key: It has a slow reaction.5. Does copper react with water? key: No, it doesnt.2021/8/11 星期三6Rea

4、d the passage again and decide whether these statements are true (T) or false (F).1). Different metals have different uses.2).The reaction of metals with different substances is the same.3). Magnesium can form an oxide when heated in oxygen.4). Copper reacts most when heated in oxygen.TFTF2021/8/11

5、星期三7Passage B: A Simple Scientific ExperimentRead Passage B and fill in blanks:AimApparatusMethodResultConclusionto find out if iron rust 1) in dry air; 2) in air-free water; 3) in ordinary water.2021/8/11 星期三8Cotton wool Test tube holderApparatus(設(shè)備，儀器)2021/8/11 星期三9Clean iron nailsTest tubes2021/8

6、/11 星期三10Oil Bunsen burner2021/8/11 星期三11Passage B: A Simple Scientific ExperimentRead Passage B and fill in blanks:AimApparatusMethodResultConclusionto find out if iron rust 1) in dry air; 2) in air-free water; 3) in ordinary water.3clean nails, test tubes, test tube holder, cotton wool, oil, Bunse

7、n burner1) Iron doesnt rust 2) Iron doesnt rust 3) Iron rust1)Iron doesnt rust in dry air2)Iron doesnt rust in air-free water3)Iron rust in ordinary water2021/8/11 星期三12Complete the exercises on page 45Iron in dry airIron in air-free waterIron in ordinary waterStage A(Starting experiment)Stage B(1 w

8、eek later)Stage C(Result)2021/8/11 星期三13Complete the exercises on page 45Iron in dry airIron in air-free waterIron in ordinary waterStage A(Starting experiment)Cotton woolnailsOil layer-(油層)WaternailsWaternailsStage B(1 week later)Cotton woolnailsOil layerWaternailsWaternailsStage C(Result)Iron does

9、nt rustIron doesntrustIron rust2021/8/11 星期三14How can you do a scientific experiment successfully？First, we need to have an _ and prepare _ for the experiment before we do the experiment. Second, we must use correct _ to do the experiment and watch carefully.Then we can get the _ and draw a _.appara

10、tusaimmethodsresultconclusion2021/8/11 星期三15Listening And WritingListen to the conversation and fill in the blankAim: To find out if there is a _ in weight when magnesium _ in air.Apparatus: magnesium, Bunsen burner, a b_, a crucibleMethod: First, put the magnesium in the _. Then, put the crucible on the balance and _ it. Next, _ the magnesium. Light the Bunsen burner and _ the crucible over it. Finally, weight the magnesium _.Result: It weighs a little _