《Science Affects Us》Look into Science! PPT教学课件

描述

《Science Affects Us》Look into Science! PPT教学课件

第一部分内容：词汇听写

同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！

课堂导入

computers

smart phones

... ... ...

Science Affects UsPPT，第二部分内容：课文呈现

THINK ABOUT IT

·Have you ever done any interesting experiments?

Can you describe one of them?

·What would life be like without❶ computers or mobile phones?

Hi Wang Mei，

How are you？Everyone here is fine.

Do you want to surprise❷ your friends? Brian，Danny and I did an experiment in science class this week. I suggest❸ you try it，too❹！ First，get a jar full of water and a piece of cardboard. Cover the jar with the cardboard and turn the jar over. Next，take your hand off. Can you guess what happens? The cardboard holds the water in the jar! The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. The higher air pressure outside the jar holds the cardboard in place.

Science is interesting. Don’t you think so?

Jenny

... ... ...

Science Affects UsPPT，第三部分内容：知识讲解

知识点1

without/wɪ'ðaʊt/ prep. 无，没有

eg：Nothing could live without water.

没有水，什么也活不了。

without后常接名词、代词或动名词词组。

eg：My father went out without saying a word.

我父亲一句话也没有说就出去了。

Don’t go to school ________breakfast. It’s a bad habit. (福州)

A．after

B．with

C．without

【点拨】句意：不要不吃早饭就去上学。这是个坏习惯。

after 在……之后；with表示伴随；without表示没有，故选C。

知识点2

surprise/sə'praɪz/ v.使惊奇 n.惊喜，惊奇

eg：The results might surprise you!

结果可能使你惊讶！

surprise为及物动词，后面直接跟宾语，意为“使惊奇，使感到惊讶”。

eg：You surprise me. 你使我感到惊讶。

surprised 是surprise的过去分词形式，可以作形容词，通常作表语，表示人的状态，意为“吃惊的”。短语：be surprised at/by为固定搭配，意为“对……感到吃惊”。

eg：All of them were surprised at the UFO.

他们都对不明飞行物感到吃惊。

surprise为名词，意为“惊奇；使人惊奇的事”。 也可以构成词组：in surprise“惊讶地”；to one’s surprise“令某人吃惊的是”。

eg：I have a surprise for you.

我有一个惊喜给你。

To my surprise, he can finish this work in a short time.

令我吃惊的是，他能在很短的时间内完成这项工作。

To my________， they have made a ________ decision.

A．surprise; surprise

B．surprised; surprised

C．surprising; surprising

D．surprise; surprising

【点拨】句意为“令我吃惊的是，他们作出了一个令人惊讶的决定。”to one‘s surprise意为“令某人吃惊的是”；a surprising decision “一个令人惊讶的决定”。故选D。

... ... ...

Science Affects UsPPT，第四部分内容：Let's Do It !

1.Read the lesson 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.

2.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 ________.

... ... ...

Science Affects UsPPT，第五部分内容：课堂练习

一、根据句意及首字母提示完成单词

1. My sister ________ having a picnic tomorrow.

2. Scientists’ new __________ of the new plant is exciting.

3. Computers have ________ our everyday life these days.

4. China’s ____________ is quick and surprising.

5. Lily’s ________ phone looks quite in fashion.

二、单项选择

6．Do you enjoy ________ a volunteer? If you want ________ this，you’d better join us.

A．being; knowing

B．to be; knowing

C．being; to know

D．to be; to know

7．(中考·遵义)The policeman discovered who had stolen the car.

A．found out

B．knew about

C．looked for

【点拨】考查同义表达。句意：警察查到了偷汽车的人。

discover＝ find out发现，找到，查到。故答案为A。

... ... ...

Science Affects UsPPT，第六部分内容：课堂小结

本节课主要学习了以下重点内容:

（1）重点单词：without, surprise, suggest, too, sound, enjoy, information等。

（2）重点短语：better and better等。

课后作业

1.熟记本课时的词汇

2.完成本课时的课后作业

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更新时间: 2024-11-22

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