《Keep the Candle Burning》Look into Science! PPT

描述

《Keep the Candle Burning》Look into Science! PPT

第一部分内容：学习目标

objectives

1. 掌握巩固新单词holder, shallow, lighter, match, examine, oxygen

掌握新短语: use up，be made up of, one-fifth

2. 了解实验过程和实验原理

... ... ...

Keep the Candle BurningPPT，第二部分内容：Practice

I. 根据首字母或汉语提示，完成下列句子。

1. The water here is s______, not deep.

2. The doctor e________the girl carefully and said there was nothing wrong with her.

3. Look! The boy is playing with some ________ (火柴).

4. There is little ______ (氧气) at the top of the mountains.

5. Mr. Black sat down and __________ (点燃) a candle.

... ... ...

Keep the Candle BurningPPT，第三部分内容：Language points

知识点一：

When the candle stops burning, it has used up

all the oxygen

Use up 用光

You shouldn’t use up all your money.

When you use it up, you can call me.

知识扩展：eat up, drink up, burn up

知识点二：

About one fifth of the air is made up of oxygen.

be made up of :由……组成

Our football team is made up of 11 students.

知识扩展：

①be made of “由….制成”看得出原材料

This desk is made of wood

②be made from “由….制成”看不出原材料

The wine is made from grapes.

③be made in “在….生产” 产于某地

These computers are made in Guangzhou.

知识点三：

When the candle stops burning, it has used up all the oxygen

Stop doing 停止做某事

When the teacher came in, all the student stopped talking.

... ... ...

Keep the Candle BurningPPT，第四部分内容：Exercises:

1.The T-shirt ___the blue skirt. They fit you very well.

A. expresses B. matches C. compares D. goes

2.Our earth____ seas and land.

A. is made of B. is made from C. is made inD. is made up of

3.There are many students in our school.____of them ___girls.(黑龙江齐齐哈尔)

A. One third; is B. One third; are C. Two thirds; is

4.Danny ___his money and had to go home.

A. Ate up B. put up C. used up D. turned up

5.Stop___about the traffic. Just think about what we can do to improve it (上海)

A.complain B. to complain C. complaining D. complained

... ... ...

Keep the Candle BurningPPT，第五部分内容：What do you do?

1. Put the candle in the candleholder.

2. Put the candleholder on the dish.

3. Fill the dish half full with water.

4. Light the candle.

5. Let the candle burn for two or three minutes.

6. Carefully put the jar over the candle until the top of the jar rests on the dish.

7. Examine the water in the jar. What can you see?

... ... ...

Keep the Candle BurningPPT，第六部分内容：Think about it

Why did the candle stop burning?

Because the candle has used up all the oxygen in the air.

Why did the water rise?

Because the force outside the jar is stronger than the force inside the jar.

How far does the water rise? Why?

It rises about one-fifth of the jar.

Because about one fifth of the air is made up of oxygen

... ... ...

Keep the Candle BurningPPT，第七部分内容：Homework

1. Express this experiment in English

2. Do our exercise book Lesson 26.

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更新时间: 2024-09-11

所属频道：冀教版九年级上册英语

素材版本：PowerPoint2003及以上版本(.ppt)

文件大小：610 KB

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本模板属于 英语课件 冀教版九年级上册英语 行业PPT模板

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