冀教版九年级上册Lesson 25 Let’s Do an Experiment!授课课件ppt

这是一份冀教版九年级上册Lesson 25 Let’s Do an Experiment!授课课件ppt，共20页。PPT课件主要包含了Pair work，Conclusion等内容，欢迎下载使用。

What is Mr. bean ding?
D yu like t d an experiment?
He is ding an experiment.
n. [ɪk'sperɪmənt]
Let’s D an Experiment!
It is the jar’s
He is ing water.
pur [pɔː(r)] v.
upside n. ['ʌpsaɪd]
jar.[dʒɑː] n.
We wear s n a rainy day.
He has much .
raincat ['reɪnkəʊt] n.
frce [fɔːs] n. /v.
If yur answer is , yu can get ne mark.
We need t uset d everything.
scientific[ˌsaɪən'tɪfɪk] adj.
methd['meθəd] n.
crrect[kə'rekt]
The air is strger than I thugt.
I d the result by ding the experiment.
cnclude [kən'kluːd] v.
pressure['preʃə] n.
experiment [ɪk‘sperɪmənt] upside ['ʌpsaɪd] jar [dʒɑː] pur [pɔː(r)] raincat ['reɪnkəʊt] frce [fɔːs]crrect [kə'rekt] scientific [ˌsaɪən'tɪfɪk] methd ['meθəd] pressure ['preʃə] cnclude [kən'kluːd]
( )1. What d we need in the experiment?A.a jar B. a raincat C. water D. a piece f paper E. a piece f cardbard F. a desk ( )2. Where des Danny think they shuld d the experiment? A In the classrm B utside C In the rm( )3. What keeps the water in the jar? A A piece f cardbard B Brian's hand C The air pressure
Listen t the tape and chse the crrect answers
Sme imprtant phrases
1 用水充满一个广口瓶 air pressure2 用一块硬纸板覆盖顶部 put a jar n the desk3 把广口瓶翻转过来 fill a jar with water4 把广口瓶放在桌子上 water stays in the jar5 把手从硬纸板上拿开 cver the tp with a piece f cardbard6 大气压强 turn the jar upside dwn7 水留在广口瓶里 take the hand ff a piece f cardbard
1. Cver the tp with a piece f cardbard.2. The water stays in the jar. Air pressure pushed the cardbard nt the jar.3. Fill the glass jar with water.4. Hld yur hand n the cardbard fr a few secnds.5. Turn the jar upside dwn.6. Take yur hand ff the cardbard.
Read the dialgue again. Put the steps in the crrect rder.
Let’s d an experiment !
Cme t the blackbard and d the experiment as we describe it.
1. Fill the jar with water.2. Cver the tp with a piece f the jar upside dwn.4. Hld yur hand n the cardbard.5. Take yur hand ff the cardbard.6. Water stays in the jar.
Wrk in pairs and think f this experiment.Discuss it and write dwn hw we d it.
Hw shuld we d the experiment?Ding an experiment is interesting. First, we ___ a jar ___ a desk, ___ it ____ water, then _____ the tp ____ a piece f cardbard. When we ____ the jar ______ _____, can yu guess what happened? The air helps the cardbard hld the water in the jar.
New wrds:experiment; scientific; methd; jar; upside; pur; raincat; pressure; frce; cnclude; crrectPhrases :fill…with cver …with… turn …upside dwn
请根据课文内容, 以 “An InterestingExperiment”为题写一篇小作文。
It is interesting andhelpful fr us t lk int science!