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教学难点：How to express an experiment exactly.
教学过程：
Step 1 Words
Show the words on the slide. Ask students in a line to lead the reading. The teacher correct the pronunciation.
Students read and remember the words.
Students read together.
Step 2 Listening
Listen to the text and try to find out the phrases in English.
研究科学 2.做一个实验
3.用硬纸板盖住瓶口 4.用….把…装满
5.用…把…盖 6.把…翻转
7.一块硬纸板 8.正面朝下
9.我(不)确信… 10.变湿
11.科学的方法 12.仔细观察
Step 3 Writing and reading
Write down the translation .
Check the answerand read . First together, then themslves.
Step 4 Reading
“true ”(T) or “false” (F)
1. A theory is an experiment.
2. Brian will do the experiment inside.
3. Brian and Danny have the same theory.
4.They will use the scientific method to prove who’s right.
Step5 Main sentences
1. I fill a jar with water. 我用水把瓶子装满。
fill …with…用…装满……(主语是人)
同义:be full of … / be filled with…(主语是物或容器)
be sure 表示肯定, 有把握;
而be not sure 表示不确定
3.Brian has one theory, and Danny has another.