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1、Lets Do an Experiment学习目标1. 掌握单词及短语：science, experiment, fill, prove, scientific, method, do an experiment, fillwith, coverwith, turnupside down, be(not)sure2.了解詹妮、丹尼和布莱恩的实验并说明理由。学习重点Be sure的用法学习难点Be sure的用法学法指导通过课前预习掌握基本知识，通过合作探究解决较难知识，通过堂达标巩固所学知识。知识准备be worried about 担心课题组补充学习流程学习流程预习检测1. 自学教材第25课
2、单词与词组，你可以听录音跟读，根据音标读，或者请教别人读。做到发音标准，弄清词性和汉语意思。读得同时用红色圈出新单词，用红色双圈圈出生单词。2. 自学教材第32页内容，仔细读课文至少五遍，弄清课文大意。用红色横线划出文中的重要句子。任务导学【自主学习】I（独学）自读课文，圈出文中你不懂的单词，并把它们写下来的这些单词写下来。 _ .翻译下列短语。1. 给广口瓶装入水_ 2. 用硬纸板盖住瓶口_ 3把广口瓶翻转过来_ 4.做一个实验_ 5.科学的方法_III. 在自学过程中，你还有哪些疑惑用红色波浪线在文中画出来，并把它写下来，和你的同伴交流。【合作探究】.（独学）读课文，想一想下面的两个问题1
3、. What experiment is Brian going to do? _ 1. Whats Dannys theory about what will happen? _ . （对学）再读课文，给下列句子排序。1. Put your hand on the cardboard. And turn over the jar carefully. 2. Move your hand away quickly. 3. Fill the jar with water.4. Cover the top with a piece of cardboard. 5. The cardboard wi
4、ll hold the water up._ _ _ _ _ . 分组做实验，并用英语描述实验过程及结果。 达标检测单项选择1. -How long has Mrs. Green _? -Since last week. A. become ill B. fallen sickC. got sick D. been ill2. The mother was _ her son because he had not been back. A. worry about B. worried about C. to worry about D. worrying about3. I have _ t
5、o do. Please give me _ to read. A. something, anything B. nothing;something C. nothing;something D. anything;nothing4. The boys arrived late at the cinema, and _ the start of the film. A. caught B. missed C. got D. lost 5. Everyone listened to Lei Fengs story _ in the classroom. A. quiet B. quietly
6、C. quick D. quickly6. Be quiet! Ill tell you what my friends letter _. A. says B. writes C. reads D. sings7. The doctor told me _ plenty of water and have a good rest. A. drink B. to drink C. not to drink D. to not drink拓展延伸Do the experiment in groups as told in P3 in Lets Do It.小结Lets summarize the key points and difficult points together.作业布置1. Understand the meaning of the text 2. Remember the mastery words in this lesson.3. Finish the activity book of lesson 25.课后反思2
