初中英语冀教版九年级上册Lesson 30 Science Affects Us背景图ppt课件

这是一份初中英语冀教版九年级上册Lesson 30 Science Affects Us背景图ppt课件，共21页。PPT课件主要包含了everyday，change，discovery，place等内容，欢迎下载使用。

D yu like ding science experiments? Why r why nt?
1.Have yu ever dne any interesting experiments? Can yu describe ne f them?2.What wuld life be like withut cmputers r mbile phnes?
Think abut it
discveryaffectsuggestmbile phnedevelpment
n. 发现v. 影响v. 建议n. 手机n. 发展
Main phrases:·be like·turn…ver·push up·push dwn·in place
Read the text and find ut main phrases and sentences.
Jenny did an experiment in science class with Danny and Brian. Hw did they d it ?Let’s listen t the tape and cmplete the steps.
First, get a jar full f _______ and a piece f _________.Secnd, ________ the jar with the cardbard and ________ the jar ver.Finally, ______ yur hand ff.
Can yu guess what happens?
Read Wang Mei’s letter and fill in the blanks.
Science affects peple’s ________ lives. Withut the scientific develpments f recent years, ur lives wuld be very different. Can yu imagine life withut cmputers r _____________?
mbile phnes
Scientific __________ are making ur lives better and better. DNA is really ne f the mst amazing things n the earth. Many peple think it will _______ the wrld.
● What wuld life be like withut cmputers r mbile phnes?
1. I suggest yu try it, t! 我建议你也试一试！ suggest 动词, 意思是“建议; 提 出”。后可接名词和v.-ing, 也可接that宾语从句, that从句用shuld+动词原形, shuld可以省略。
e.g. Danny suggested ging tgether in ne car. 丹尼建议大家同坐一辆车去。 She suggested that we (shuld) take a walk. 她提议我们出去散步。
2. Cver the jar with the cardbard and turn the jar ver. 用硬纸板盖住广口瓶, 再把它倒过来。 turn ver的意思是“把……翻过来”。 e.g. The sil must be turned ver befre planting. 播种前必须先翻土。
3. The air pressure pushing up n the cardbard is higher than that f the water pushing dwn frm inside the jar. 托着纸片的向上的空气压力要大于广口 瓶内水的向下的压力。 push up意思是“向上推；提高”。 e.g. Will yu help me t push up the windw? 你能帮我把窗户推上去吗？
4. The higher air pressure utside the jar hlds the cardbard in place. 广口瓶外面的空气压力大, 把纸片托在 原位置。 in place意思是“原位; 在恰当的位置”。 e.g. I like t have everything in place. 我喜欢把一切东西都放在适当的位 置。
Fill in the blanks with the crrect frms f the wrds in the bx.
discver affect suggest place develp
1. Jenny _________________ they use a strnger piece f cardbard fr the experiment.2. The air pressure _____________ the result f the experiment.
suggests/suggested
affects/affected
3. The experiment led t a wnderful _________.4. What are yur plans fr the ____________ f yur cmpany?5. They used a rck t hld the map in _____.
Here are sme inventins. Hw d they affect ur everyday lives? Talk abut them with yur partner.
TV camera radi cmputer telephne light bulb clck washing machine cmpass telescpe X-ray eyeglasses
With TV Withut TV
I watch TV t get infrmatin.________________________________________________
I wuld spend mre time talking with my family.________________________________
Fast-reading
2. what happens in the experiment?
The cardbard hlds the water in the jar!
1. what tls des Jenny prepare fr the experiment?
A jar full f water and a piece f cardbard
1. What parents d will ___________ their children.2. The experiment led t a wnderful _________.3. With the ____________ f science, ur cuntry is becming strnger and strnger.4. Have yu gt all the knives and frks __________ yet? Dinner is ready.5. The weather is htter tday than_____ yesterday.
Here are sme inventins. Hw d they affect ur everyday lives?
with TV: I watch TV t get infrmatin
withut TV: I wuld spend mre time talking with my family.