《Let's Do an Experiment》Look into Science! PPT课件
第一部分内容：Learning goals （学习目标）
1.能正确理解运用 correct, method, force, be sure, fill...with ,cover...with , turn...upside down 等单词及短语的用法。（Group A.B.C.)
2.能够确定定语从句的先行词和关系词。（Group A.B.)
3.能够边做边用英语描述本课的实验。（Group A.B）
4.学会依据实验，辨别是非。(Group A.B.C.)
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Let's Do an ExperimentPPT，第二部分内容：过目不忘
Learn the new words in groups. Then show your pronunciation.
(小组内互相帮助，学习新单词，并展示合作学习成果）
Listen to the tape and circle the new words in the text.
Try to understand the new words and text.
（听录音，划单词，初步理解文章大意及新单词的用法）
你记住了吗
1.We should do this __________ （实验） outside!
2. I _____（装满）the jar with water.
3. Let’s test which theory is _________（正确的）.
4. We must use ________ ________（科学的方法） to solve the problem.
5. The _____（力量） of the air keeps the water in the jar.
6.I turn the jar _______ down and I think the water will________ out.
7.I _______（断定）that the _______（压力） of the air is stronger than I thought .
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Let's Do an ExperimentPPT，第三部分内容：读一读 议一议
Group（ＡＢＣ）
1. Where does Danny think they should do the experiment?
Danny thinks they should do the experiment outside.
2. How to do the experiment?
① Fill a jar with water.
② Cover the top with a piece of cardboard.
③Turn the jar upside down.
④Take your hand off the cardboard.
3.What is Jenny’s idea? Is she sure of her theory?
Jenny thinks the water will stay in the jar.
She is so sure of her theory.
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Let's Do an ExperimentPPT，第四部分内容：定语从句
I want to know the boy who is the tallest.
概念:
定语从句：在复合句中修饰名词或代词的句子， 叫定语从句。
先行词：被定语从句修饰的词叫先行词。
关系词：引导定语从句的词叫关系词。
(先行词做宾语时，引导定语从句的连词可以省略）
(限定性)定语从句的结构
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Let's Do an ExperimentPPT，第五部分内容：练一练
一、根据汉语完成句子（Group A.B.C)
1.我妈妈用布把桌子盖住了
My mother _____ the table _____ cloth.
2.我把广口瓶倒置。（C）
I＿＿＿ the jar ＿＿＿ ＿＿＿.
3. 我不能肯定他什么时候来这儿。(A . B)
I’m ____ ____when he will come here.
4. 他的书包装满了书。
He ______ his bag _____ many books.
His bag_____ ______ ______ many books.
二、用正确的词组完成短文。(Group A.B.)
Danny，Jenny and Brian do an interesting experiment. First, Brian ____ the jar _____ water, then ______ the top _____ a piece of cardboard. When he_____ the jar ______ _______ and _____ his hand _____ the cardboard slowly. Danny thinks the water will ____ ____. But Jenny____ ____ that the water will stay in the jar and Danny will not_____ _____. Whose theory is________? After the experiment ,They_________ that the________ of the air helps the cardboard hold the water in the jar. It is strong enough to hold the water. The air is stronger than we thought.
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Let's Do an ExperimentPPT，第六部分内容：说一说
Are you happy in the class? Exchange your feelings in groups. Please use adj. to describe your feelings.(通过自己努力学到的知识快乐吗？组内进行交流，请用形容词描述你在这节课上的的感受)
I am/feel______________.
I think the experiment is_____________. (happy/excited/successful/interesting/
interested (in)/amazing/amazed (at) /fascinating/fantastic…)
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Let's Do an ExperimentPPT，第七部分内容：Homework
1.Recite the important phrases and sentences（Group A.B.C.）
2. Write a short passage（Group A.B.）“An Interesting Experiment”.
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