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conclude v. 得出结论；断定；推断出重点短语t urn... upsi de 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 wh at 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 less on 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 .