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《Keep the Candle Burning》Look into Science! PPT免费课件

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《Keep the Candle Burning》Look into Science! PPT免费课件 详细介绍:

《Keep the Candle Burning》Look into Science! PPT免费课件《Keep the Candle Burning》Look into Science! PPT免费课件

《Keep the Candle Burning》Look into Science! PPT免费课件

第一部分内容:Think About It!

1.Do you like doing science experiments? Why or why not?

2.What will happen if you put a jar upside down over a burning candle?

... ... ...

Keep the Candle BurningPPT,第二部分内容:New words

match n. 火柴

holder n. 支撑者

shallow adj. 浅的 

lighter n. 打火机 

examine v. 检查

oxygen n. 氧气

... ... ...

Keep the Candle BurningPPT,第三部分内容:Listening Task:

true or false. 

(     ) 1. The experiment needs a candle and matches.

(     ) 2. We need to put water in a bowl.

(     ) 3. The experiment proves the air has one fifth of oxygen.

... ... ...

Keep the Candle BurningPPT,第四部分内容:Language Points

1. Light the candle. 点亮蜡烛。

light此处用作动词,意为“点亮”。还可作名词,意为“光;灯”。作形容词,意为“轻的,浅的,明亮的”。

I want a room with good light. 我要一个采光好的房间。(名词)

My sweater is light blue. 我的毛衣是浅蓝色的。(形容词)

He sat down and lit a cigarette. 他坐下点了一只香烟。(动词)

2. Because about one fifth of the air is made up of oxygen, the water rises and fills about one fifth of the jar. 因为大约五分之一的空气是由氧气组成的,水上升填充了大约广口瓶的五分之一。

1) one fifth意为“五分之一”。英语中表示分数时,分子用基数词,分母用序数词;分子与分母间的连字符可加可不加。若分子大于1,分母则加-s。

Two thirds of the apples are red. 三分之二的苹果是红色的。

2) be made up of意为“由……组成”,of后可接人也可接物,指某物或组织的结构成分。

The club is made up of twelve girls. 这个俱乐部是由12个女孩组成的。

... ... ...

Keep the Candle BurningPPT,第五部分内容:Practice

根据句意及提示补全单词。

1. Please put the candle in the candle h______.

2. The bowl is too s______ to fill too much water.

3. How many ________ (火柴) are there in the box?

4. You must _______ (检查) your homework after you finish it.

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