12-26 23:26:40 浏览次数:662次 栏目:初二英语教案
本节课总目标描述
通过本节课的学习学生能掌握以下基本句型:How often do you brush your teeth? I brush my teeth twice a day. 本节课的总体设计体现了新课程标准中的从学生的学习兴趣、生活体验和认知水平出发,倡导体验、实践、参与、合作与交流的学习方式和任务型的教学途径的教学理念。
预想的效果是:学生感受到课堂45分钟大多数时间是在做一件有意义而且较为感兴趣的事,这种愉悦的心情促使学生自主、创造性地完成任务,即培养了学生运用英语进行实际交际的能力。这种体验和感悟是新课程标准的基本要求。
教学重点和难点:
合理运用本单元句型进行交际;
熟练使用频率的表达方式。
Lead in: let students pay attention to the importance of brushing teeth.
Task 1: How often do you brush your teeth?
Task 2: How do you protect your teeth?
Task 3: Who is the best teeth protector?
1. Lead-in 由小实验导入我们应爱护我们的牙齿。
This experiment simulates the protection power of Fluoride.
What you’ll need:
1 bottle of Fluoride rinse solution (available from your dentist, local dental supply company and some
pharmacies)
2 eggs 1 bottle of white vinegar 3 containers
What to do:
Pour four inches of Fluoride rinse solution into one of the containers and then place an egg in the
solution. Let it sit for five minutes. Remove the egg. Pour four inches of vinegar into each of the
remaining two containers. Put the egg that has been treated with the Fluoride into one container of
vinegar and the untreated egg in the other container of vinegar.
What will happen:
One egg will start to bubble as the vinegar (an acid) starts to attack the minerals in the egg shell.
Which egg do you think will start to bubble?
2. 学生仔细的观察试验的结果。通过试验让学生意识到保护牙齿的重要性
3. 由学生brainstorm保护牙齿的正确的方法。并发给学生表格在小组内对小组的成员进行问卷调查。
How often do you brush your teeth?
Seldom |
|
Once a day |
|
Two times a day |
|
After each meal |
How long do you brush your teeth?
30 seconds |
|
1 minute |
|
2 minutes |
|
Longer than 2 minutes |
What type of toothbrush do you use?
I don't know |
|
Medium |
|
Soft-bristled |
|
Extra soft-bristled |
Do you use toothpaste with fluorine?
No |
|
Yes |
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