Unit 5 Lesson 30 Science Affects Us 课件(共22张PPT)

(共22张PPT)
1．记忆单词affect, suggest,development, mobile phone,discovery;短语turn…over, push up,push down, in place.
2．掌握重点句型:
（1）I suggest you try it, too!
（2）Cover the jar with the cardboard and turn the jar over.
（3）The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.
（4）The higher air pressure outside the jar holds the cardboard in place.
（5）Scientific discoveries are making our lives better and better.
3．能够运用所学知识介绍自己所做过的科学实验.
4．理解课文意思并能回答课后的问题.
1．能够正确应用本课的重点词汇affect,suggest, development, mobile phone,discovery;掌握短语turn…over, push up, push down, in place.
2．能够运用所学知识用英语介绍自己所做过的科学实验.
Do you like doing science experiments Why or why not
1.Have you ever done any interesting experiments Can you describe one of them
2.What would life be like without computers or mobile phones
Think about it
discovery
affect
suggest
mobile phone
development
n. 发现
v. 影响
v. 建议
n. 手机
n. 发展
New words
Main phrases:
·be like
·turn…over
·push up
·push down
·in place
Read the text and find out main phrases and sentences.
Jenny did an experiment in science class with Danny and Brian. How did they do it
Let’s listen to the tape and complete the steps.
First, get a jar full of _______ and a piece of _________.
Second, ________ the jar with the cardboard and ________ the jar over.
Finally, ______ your hand off.
Can you guess what happens
Read Wang Mei’s letter 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 _____________
everyday
mobile phones
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.
discoveries
change
● What would life be like without
computers or mobile phones
1. I suggest you try it, too!
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should+动词原形, should可以省略。
e.g. Danny suggested going together in one car.
丹尼建议大家同坐一辆车去。
She suggested that we (should) take a walk.
她提议我们出去散步。
2. Cover the jar with the cardboard and
turn the jar over.
用硬纸板盖住广口瓶, 再把它倒过来。
turn over的意思是“把……翻过来”。
e.g. The soil must be turned over before
planting.
播种前必须先翻土。
3. The air pressure pushing up on the
cardboard is higher than that of the
water pushing down from 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 you help me to push up the
window
你能帮我把窗户推上去吗？
4. The higher air pressure outside the jar
holds the cardboard 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 to 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 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.
suggests/suggested
affects/affected
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
_____.
discovery
development
place
Here are some inventions. How
do they affect our everyday lives
Talk about them with your partner.
TV camera radio computer telephone light bulb clock
washing machine compass telescope X-ray eyeglasses
With TV Without TV
I watch TV to get information.
________________________________________________
I would spend more time talking with my family.
________________________________
Free Talk
How do these inventions affect our everyday lives What life would be like without these inventions
Research and collect some fun and interesting scientific facts to share with the class.
The key to success is to focus our conscious mind on things we desire not things we fear.——Brian Tracy
成功的关键在于，把我们的意识专注于那些我们
渴望的事情，而非那些我们恐惧的事情。
——博恩·崔西