| 行业类别 | 格式 | 大小 |
|---|---|---|
| 冀教版九年级上册英语 | pptx | 6 MB |
描述
《Let's Do an Experiment》Look into Science! PPT课件下载
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
Do you like doing experiments ? Why?
... ... ...
Let's Do an ExperimentPPT，第二部分内容：课文呈现
THINK ABOUT IT
·What kinds of experiments have you done in science class?
·If you hold a jar that is filled with water upside down，what will happen?
Danny，Jenny and Brian are in the lab.
Brian：Let’s do an experiment❶. I fill a jar with water. I cover the top with a piece of cardboard and hold it there. Then I turn the jar upside down❷ and take my hand off❸ the cardboard. Can you guess what will happen?
Danny：I think the floor will get❹ wet. We should do this experiment outside，Brian.
Jenny：I think the cardboard will hold the water.
Danny：I don’t think so.
Jenny：You think the water will pour out，Danny. I think the water will stay in the jar. Let’s test which theory is correct.
... ... ...
Let's Do an ExperimentPPT，第三部分内容：知识讲解
知识点1
experiment /ɪk'sperɪmənt/ n.实验；试验
eg：Many people are against doing experiments on animals. 许多人不赞成在动物身上做实验。
“做实验”可用do/make/carry out an experiment表达。
eg：Mr. Black is doing/making/carrying out an experiment in physics.
布莱克先生正在做一个物理实验。
experiment v.做试验，进行实验，常和介词on，with连用。
eg：He is experimenting on frogs.
他正在青蛙身上做试验。
知识点2
turn…upside down 把……翻转；倒过来
eg：Can you turn the glass upside down?
你能把这个玻璃杯倒过来吗？
反义短语为：turn...right side up 把……正面朝上。
eg：Turn the box right side up, please.
请把这个盒子正面朝上放。
知识点3
take…off… 把……从……拿开
eg：Please take your hand off the food.
请把你的手从食物上拿开。
take off 脱掉，摘掉，(飞机)起飞
eg：Bill took off his glasses.
比尔摘掉了他的眼镜。
The plane will take off at 2：00 p．m.
飞机将在下午两点起飞。
... ... ...
Let's Do an ExperimentPPT，第四部分内容：Let's Do It !
1.Read the lesson and answer the questions.
1．Where does Danny think they should do the experiment?
2．What keeps the water in the jar?
3．Is Jenny sure of her theory？How do you know?
4．Why does Danny put on his raincoat?
5．What does Danny conclude?
2. Read the experiment. Put the sentences in the correct order.
□Put a piece of cardboard over the jar.
□The jar of water is upside down，but the water stays inthe jar. This is because air pressure pushes the cardboard onto the jar.
□Fill the glass jar with water.
□Turn the glass jar over quickly. Hold your hand on the cardboard for a few seconds.
□Remove your hand from underneath the jar. What happens?
□There is more air outside the jar than inside，so there is more air pressure outside than inside.
... ... ...
Let's Do an ExperimentPPT，第五部分内容：课堂练习
一、根据句意及首字母或汉语提示补全单词
1．It’s the best ________ of working out the math problem.
2．I’m sure that the ________ of the air will keep the water in the jar.
3．Can you help me ________ the mistake that you find?
4．Put on the________ (雨衣)for it's raining heavily.
5．Don't turn the cup ________ (上部)down.
二、单项选择
6．Tom is covering the cup ________ a piece of paper.
A．for B．on
C．with D．in
7．I won’t force anybody ________ anything.
A．do B．does
C．to do D．Doing
8．(中考·成都)Mum wants to watch CCTV news.
Let’s________ the TV.
A．turn down B．turn on C．turn off
... ... ...
Let's Do an ExperimentPPT，第六部分内容：课后作业
1.熟记本课时的词汇
2.完成本课时的课后作业
关键词：冀教版九年级上册英语PPT课件免费下载，Let's Do an ExperimentPPT下载，Look into Science!PPT下载，.PPT格式；
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文件信息
更新时间: 2024-09-18
所属频道：冀教版九年级上册英语
素材版本：PowerPoint2003及以上版本(.ppt)
文件大小：24395 KB
显示比例：普屏4:3
附件类型：.rar
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