初中Unit 5 Look into ScienceLesson 25 Let’s Do an Experiment!第1课时教学设计
展开第一课时 Lesson 25: Let’s Do an Experiment！
重点单词 | experiment n. 实验；试验 pour v. 倒出；倾倒 correct adj. 正确的；恰当的 scientific adj. 科学的 method n. 方法；办法 force n. 力量 v. 迫使；强迫 pressure n. 压力，压强；挤压 conclude v. 得出结论；断定；推断出 |
重点短语 | turn... upside down 把……翻转；倒过来 pour out 涌出 scientific method 科学方法 take... off 把……拿开 |
重点句子 | 1.A theory predicts what will happen. 理论预言将来所要发生的事件。 2.I’m not sure. 我不确定。 3.Maybe you should do this experiment outside, Brian! 也许你应该在外面做这个实验，布莱恩。 |
教学难点 | 用英语写一篇关于有趣实验的小短文 |
环节1 新课导入
T: Think about it. Do you like doing experiments in science class?
Ss: ...
设计意图：新课开始，教师通过设计几个学生感兴趣的问题导入新课，能调动他们的学习积极性。
环节2
1. Read the new words for several times and learn by heart.
2. Listen to the lesson and answer the questions in Exercise 1.
3.The students read the text by themselves. Give the students several minutes to remember the dialogue，then let the student role play the dialogue，find out the main phrases and sentences in the dialogue.
4.Read the lesson and do Exercise Exercise 2 on Page 67.
5.Explain the meaning of the whole text sentence by sentence，help the students remember the main phrases and the main sentences.
6.Do Exercise 3 and sing the the song of Exercise 4 on Page 67.
7. 学以致用。
一、英汉互译及词形转变。
1.用……把……装满 ______________
2.用……把……盖住 ______________
3.我(不)确信…… _________________
4.正面朝上 ______________
5.把……翻转_______________________________
6. get wet __________ 7. do an experiment __________8. a piece of cardboard ______________
9. inside（反义词） ________ 10. theory（复数） _____
11. careful (副词）_______ 11. science(形容词）______
二、词语运用。
Many people do 1. (实验) to check their ideas. It’s a good and it’s very 2. (科学的). After doing that, we can 3. (断定) which theory is 5. c .
三、选择。
1. The mountain with snow all year round, so it’s hard to climb it.
A. covered B. was covered C. is covered D. covers
2. Please the bottle milk.
A. fill; of B. filled; with C. fill; with D. full; of
3. I am the weather will be fine tomorrow.
A. think B. sure C. hope D. see
4. Let’s an experiment.
A. do B. does C. did D. doing
5.---It’s so hot today.
---Why don’t you your jacket?
A. take away B. take off
设计意图：让学生能抓住文中重点词汇和短语，学会归纳总结。
Unit 5 Look into Science 第一课时 Lesson 25: Let’s Do an Experiment！ | |
1.fill…with… be filled with…/be full of 2.turn…upside down/turn…over 3.be sure of sth./doing sth. be sure to do sth. be sure that… | 1.A theory predicts what will happen. 2.I’m not sure. 3.Maybe you should do this experiment outside, Brian! |
请完成本课对应训练！
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