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book1 Module 5 P2 Reading and Vocabulary 外研


外研新标准 第一册 必修1

M5 Reading and Vocabulary

Before the class I want you to be engaged in the material. I Not you necessarily thinking about want to be engaged in whatever it is I want you to be engaged in the that we are discussing in class. getting down every word that I say. Better attention, better Not necessarily thinking about getting material. I want you to be engaged I’ d like you to take active notes understanding of the material down every word that I say. I’d like you in whatever it is that we are rather than passive notes. Write to take active notes rather than passive if you are actively engaged. discussing in class. notes. Write down can make you feel down what canwhat make you feel or or learn something. learn something. Better attention, better understanding of the material if you are actively engaged.

Read the explanation

and speak out the
word it explains.

1. a reddish brown substance that forms on the surface of iron and steel as a result of decay caused by reacting with air and water vi. 生锈 rust 2. related to electricity adj. 与电有关的 electrical 3. a part of an activity or a period of development n. 阶段,时期 stage 4. not different or special or unexpected in any way adj. 普通的,平常的 ordinary

5. the final part of something n. 结论 conclusion 6. behaviour or an action that is a direct result of something else n. 反应 reaction 7. a result that your plans or actions are intended to achieve n. 目标,目的 aim 8. if a chemical substance reacts, it changes when it is mixed with another chemical substance vi. (化学)反应 react

9. not complete adj. 部分的,局部的 partial 10. a chemical combination of oxygen and one other element n. 氧化物 oxide

11. to heat a container, especially one used for cooking, until the liquid in it starts to turn into a gas vt. 煮沸,煮 boil 12. the set of necessary tools, clothing, etc. for a particular purpose n. 设备,装备 equipment

Lead in 1 Appreciation of a clip about an interesting experiment

Lead in 2 Appreciation of a clip about an interesting experiment

Objectives 1. To summarize and remember the main idea of the passage 2. To speak out the detailed information of the passage 3. To learn some useful words and expressions in the passage 4. To be skillfully capable of introducing the two experiments you learned in passage

To get general ideas

Skimming

Reading Comprehension I Choose the best title for Passage A.
A. The Different Uses of Metals B. The Reaction of Metals C. The Reaction of Metals with Oxygen

What experiment does Passage B show us ? A. How does the nail rust? B. How does iron react with air and with water? C. How do we do an experiment about the reaction of iron?

To get detail information

Scanning

Reading Comprehension II

Passage A Answer the following questions.
1. Which of the metals in the table reacts the most with oxygen and water? Potassium, calcium and sodium. 2. What happens when you heat calcium in oxygen? It burns to form an oxide.

3. Which metals react with steam? Magnesium, aluminium and zinc. 4. Does iron have a slow or fast reaction

with steam? It has a slow reaction. 5. Does copper react with water? No, it doesn’t.

Scanning

Reading Comprehension III

Passage B
Fill in the chart.
Iron in dry Iron in air air-free water Stage A (starting experiment)
cotton wool water

Iron in ordinary water
water

Stage B (1 week later) Stage C (Result)

water
nails

Iron does not rust.

Iron does not rust.

Iron rusts.

Iron does not rust in dry air Conclusion or air-free water; Iron rusts in ordinary water.

Complete the sentences. 1. In the first part of the experiment, the ___ air is dry, not wet. not rust when 2. It shows that iron does ___________ the air is dry. 3. In the second part of the experiment, you must ____ boil the water to make sure there is no ____ air in it.

4. You add _________ some oil to the water
because this keeps ____ air out of it.

5. It shows that ____ nail does not rust in
water that has no ____ air in it.

How to describe an experiment? 1. Aim (Why?) 2. Apparatus (What to prepare?)

3. Method (How to do it?)
4. result (What can we find?)

5. conclusion

Think about a simple scientific experiment that you have done recently and write an experiment report.

An Experiment Report 1. __________: Aim 2. __________: Apparatus 3. __________: Method (1) (2) (3) … Result 4. __________: 5. __________: Conclusion

If you want to do an experiment successfully, what good qualities do

you think you should have?
(You should be …)

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Individual activity

Quiz I: Retell the passage. Different metals have different uses. Iron is widely used in _________ electrical equipment. It is important to know how metal ______ react with different substances. The first part of the experiment show that iron doesn’t _____ in dry rust air. In the second part, you must boil_____ the

water to make sure that there is no air in it. Add some oil to the water to keep the air out of it . It shows that _____ air-free iron doesn’t rust in _______ water. In the third part, _______ half-fill the tube with water. It shows that they rust in

________ ordinary water.

After the class

Think about what we’ve just learnt in today’s class. It’s the time where we stop the class and you look inward. It’s a time of silence in a class. Study without reflection is a waste of time.

课时重点回顾

react … with 对……其反应 put … in order 把……按顺序排列 add sth. to sth. else 把某物加到其他物质中 keep sth. out of sth. 防止某物进入其他物质

Homework 1. Read the passage again and review the new words and expressions. 2. 发挥想象,连词成文(50-100字)。

conclusion, keep sth. out of sth., aim, stage, rust, ordinary, equipment, put … in order.


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