《Keep the Candle Burning》Look into Science! PPT
第一部分內(nèi)容：學(xué)習(xí)目標(biāo)
objectives
1. 掌握鞏固新單詞holder, shallow, lighter, match, examine, oxygen
掌握新短語: use up，be made up of, one-fifth
2. 了解實(shí)驗(yàn)過程和實(shí)驗(yàn)原理
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Keep the Candle BurningPPT，第二部分內(nèi)容：Practice
I. 根據(jù)首字母或漢語提示，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 ______ (氧氣) at the top of the mountains.
5. Mr. Black sat down and __________ (點(diǎn)燃) a candle.
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Keep the Candle BurningPPT，第三部分內(nèi)容：Language points
知識(shí)點(diǎn)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.
知識(shí)擴(kuò)展：eat up, drink up, burn up
知識(shí)點(diǎn)二：
About one fifth of the air is made up of oxygen.
be made up of :由……組成
Our football team is made up of 11 students.
知識(shí)擴(kuò)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….生產(chǎn)” 產(chǎn)于某地
These computers are made in Guangzhou.
知識(shí)點(diǎn)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.
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Keep the Candle BurningPPT，第四部分內(nèi)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.(黑龍江齊齊哈爾)
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
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Keep the Candle BurningPPT，第五部分內(nèi)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?
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Keep the Candle BurningPPT，第六部分內(nèi)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
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Keep the Candle BurningPPT，第七部分內(nèi)容：Homework
1. Express this experiment in English
2. Do our exercise book Lesson 26.
關(guān)鍵詞：冀教版九年級(jí)上冊英語PPT課件免費(fèi)下載，Keep the Candle BurningPPT下載，Look into Science!PPT下載，.PPT格式；
