Unit 5 Look into Science Lesson 30 science affects us课件(共24张PPT)

(共24张PPT)
Lesson 30
Unit 5 Look into Science
5
Unit
Lesson 30
Science Affects Us
Lead in
Some Experiments
Fun Facts:
·Your nose and ears continue growing throughout your entire life.
·Babies blink only once or twice a minute while adults blink around 10 times a minute.
·Your fingerprints are unique and so are your tongue prints.
·The earth isn’t perfectly round.It is slightly flattened at the North and South poles.
·A dog’s hearing is more sensitive than a human’s.Dogs can hear noises that we can’t.
·It takes your body 12 hours to completely digest a meal.
discovery
affect
suggest
mobile phone
development
n. 发现
v. 影响
v. 建议
n. 手机
n. 发展
New words
Ⅰ.Fill in the blanks with the correct forms of the words in the box.
discover,affect,suggest,place,develop
1.Jenny　　　　 they use a stronger piece of cardboard for the experiment.
2.The air pressure　　　　 the result of the experiment.
3.The experiment led to a wonderful　　　　 .
4.What are your plans for the　　　　 of your company
5.They used a rock to hold the map in　　　　.
suggests
affects
discovery
development
place
1. Wang Mei didn’t enjoy learning about DNA. ( )
2. Who did an experiment in science class this week
________________________________.
3. Does Wang Mei think the experiment they did sounds interesting
_______________________________________________.
4. The air pressure _____________________________ is higher than that of the water pushing down from inside the jar.
5.I always wonder what life would be like without computers or mobile phones .
___________________________________________
F
Brian, Danny and Jenny
Yes, she does
pushing up on the cardboard
我一直想知道如果没有电脑和手机生活会是什么样子。
中考题型 课堂练
Read L30 and fill in the blanks.
Science affects people’s _________ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers or _____________ Scientific ___________ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will ________ the world.
everyday
mobile phones
discoveries
change
While-reading
1. I suggest you try it, too!
Language Points
suggest v. 建议，提议
1) suggest sth. to sb. 向某人建议某事
2) suggest doing sth. 建议做某事
3) suggest that (should + do) 建议……
4) suggestion n. 建议
2. The experiment you did sounds interesting.
*定语从句；先行词为experiment，(that) you did为从句。
*…sounds interesting 听起来有趣
sound接adj. 作表语。
3. Scientific discoveries are making our life better and better.
This is an important discovery.这是一个重要的发现。
We have discovered their secrets. 我们已经发现了他们的秘密。
* discovery作可数名词，意为“发现、发觉”，复数形式是discoveries。如：
discover是及物动词，意为“发现”，后加名词、代词或宾语从句。如：
e.g. 张家口变得越来越美丽了。
Zhang Jiakou is getting more and more
beautiful.
* better and better
比较级+and+比较级 “越来越……”。
7.The higher air pressure outside the jar holds the cardboard in place.
in place意为“原位,在恰当的位置”。
【拓展】　(1)in place of sb./sth.=in sb.’s/sth’s place代替/顶替某人/物
(2)take place发生
(3)take sb.’s/sth.’s place=take the place of sb./sth.代替/替换某人/物
8.Yes,science is interesting,and it affects our everyday lives.
affect为及物动词,意为“影响”,相当于influence,常构成短语:be affected by被……影响。
【拓展】　effect为名词,意为“结果,影响”。have an effect on意为“对……有影响”。
10.I always wonder what life would be like without computers or mobile phones.
wonder为及物动词,意为“惊奇,想知道”,相当于want to know,其后可接“疑问词+动词不定式”结构和宾语从句。
【拓展】　(1)wonder还可作不及物动词,意为“觉得奇怪,想知道”,可构成短语wonder about/at。
(2)wonder还可作可数名词,意为“奇迹”。
(3)wonderful为形容词,意为“美妙的”。
Free Talk
Post-reading
How do these inventions affect our everyday lives What life would be like without these inventions
Ⅰ. 单项选择。
( )1. —Bob never does his homework _____
Mary.
—Yes, he makes lots of mistakes.
A. so careful B. as carefully as
C. carefully D. as careful as
Practice
( )2. —Do you know this boy
—Which boy
—The one _____ under the big tree.
A. lay B. lain C. laying D. lying
( )3. —How do you know that she likes singing
—I often hear her _____ after class.
A. to sing B. sang
C. sing D. sings
( )4. They stopped _____ , but there was no more sound.
A. to listen B. to hear
C. listening D. hearing
( )5. My younger brother isn’t _____ to take care of himself.
A. enough old B. old enough
C. small enough D. enough small
1. The man is ____________ (bad) hurt.
2. Don’t be ____________ (scary). You will be OK.
3. —Are you hurt
—No, I’m not ____________ (injure).
用所给词的适当形式填空。
badly
scared
injured
完成句子。
1. Don’t worry about your son. It’s ____ ____ (没什么严重的).
2. We needn’t ____ ____ ____ (叫救护车).
3. ____ ____ (小心)！There is something dangerous ahead.
答案: 1. nothing serious
2. call an ambulance
3. Be careful
4. He ____ ____ ____ (尽力赶上)the early bus, but it was too late.
5. Don’t worry about him. I can ____ ____ ____ (照顾) him.
答案: 4. tried to catch 5. take care of
Ⅲ.根据汉语意思完成句子
1.我想知道那是什么意思。
I　　　　 what that means.
2.那项发现在科学界引起极大的轰动。
The 　　　　 caused a tremendous
commotion　　　　the scientific world.
3.这个实验听起来很有趣。
The experiment　　　　 　　　　 .
4.我喜欢了解自然科学的发展。
I　　　　 　　　　 about scientific developments.
5.他们用一块石头将地图压制妥当。
They used a rock to hold the map　　　　 .
wonder
discovery
in
sounds interesting
enjoy learning
in place
1. He didn’t agree to go there with us.
He __________________ there with us.
2. Why don’t you go swimming with me
Why _____________ swimming with me
3. Grandma takes care of my sister every day.
Grandma ____________ my sister every day.
4. You don’t have to go home today.
You _______________ home today.
同义句转换。（每空一词）
refused to go
not go
looks after
needn’t go
Homework
1.Finish off the rest exercises.
2.Preview lesson 31.
Homework