张选秀健康牙齿.doc

健康第二册 ALL about Teeth 教案Im Healthy Book 2Unit 7 All about TeethTeaching aids: CAITeaching aims and demands:1. Let the Ss know, we have two sets of teeth in our life timemilk teeth and adult teeth.2. Let the Ss know how to brush teeth correctly.Procedure: Lead inT: Good morning, boys and girls. Today we are going to talk about something on our faces. They are white. With them, we can eat, we can talk, we can smile nicely. What are they? Blackboard writing: Unit 7 All about Teeth: Presentation1. Warm upT: First, I want to know how much you know about our teeth.1) How many teeth do you have?2) What is the use of our teeth?We can bite/ chew/ eat the food.We can speak well.We can smile nicely.3) When is Teeth-care Day?September 20th.Ss discuss it in groups and find out the right answers.2. Presentation of the new materials.1) Ss read the context for 3 minutes.T: How many sets of teeth do we have in our life time?Ss: Two./ We have two sets of teeth in our life time.T: Whats the first set of teeth?Ss: Milk teeth.T: Yes, our milk teeth start growing when we are about 6 months old. When do the milk teeth start to fall our?Ss: When we are 6 years old.T: Yes. Then we grow a second set of teethadult teeth. Adult teeth are bigger than milk teeth. They should last all over life. If we lose them, we will not get new ones. So, we should take good care of our teeth.3. DiscussionHow do we take good care of our teeth?小组讨论，小组长做好记录。 Brush teeth three times after each meal everyday. Visit the dentists every six months. Use good toothbrush and some fluoride toothpaste. Change a new toothbrush after every 3 months. Eat nutritious food. Dont bite hard things too much, such as bone, sugarcane, 胡豆。）4. How to brush teeth correctly?Teacher asks one student come to the front to show.T: Is she/ he right?CAI出示正确的刷牙方法。学生尝试正确的刷牙方法。教师小结：Now everyone knows how to brush teeth properly. But remember, you do brush your teeth every morning and every evening.Teeth are very important to us. Healthy teeth, healthy body. So we should take good care