1, know the name of each tooth, and understand the structure, function and growth characteristics of the tooth.
2. Teach children the correct way to brush their teeth and know how to protect their teeth.
3. Cultivate children to develop a good habit of protecting their teeth.
Activity preparation:
1, a tooth model
2. A set of toothbrush and toothpaste
3. Small mirror.
4.PPT courseware: courseware (1) "Tiger who loves candy", courseware (2) Tooth introduction, courseware (3): Brush your teeth safely, courseware (4) Brush your teeth songs.
Activity flow:
First, read the courseware (1) "Tiger who loves sugar", which leads to the topic.
1, children, who is the king of beasts in the forest? (Tiger)
2. The big tiger is so awesome that small animals are afraid of it. Especially the little fox runs away when he sees it, but today, the little fox is not afraid of the big tiger! -Why? Do you want to know? Then let's listen to the story together.
3. Play the courseware "Tiger Who Loves Sugar".
Teacher: Why isn't the little fox afraid of the big tiger?
5. Teacher: The big tiger got sick because he ate too much sugar, and all his teeth fell out. Children, are your teeth healthy?
6. Children look at their teeth in the mirror.
Please smile at the small mirror, show your teeth, tap with your fingers and feel the hardness of your teeth.
Second, understand the role of teeth.
1, talk about the role of teeth with life experience.
Teacher: Do you know how many teeth you have? Children can count in the mirror.
Children count their teeth in the mirror and tell the teacher the result.
2. Children understand the function of different teeth according to the investigation.
Teacher: The children got home and had a dental survey. When chewing food, which teeth play the biggest role? How to chew up the food?
Teacher: Who can tell us what you are eating? How did it get chewed up?
Third, recognize the names of teeth in combination with their functions.
1, read the courseware and master the name and function of teeth.
Teacher: The front teeth, fangs and teeth that chew food behind them all have their own names. Let's meet them together.
Demonstration Courseware (2): Self-introduction of Teeth
Teacher: Do you know these teeth now? What's its name? What skills do you have?
The teacher concluded that our teeth are divided into incisors, fangs and molars. The skill of cutting teeth is to cut off food, the skill of fangs is to tear food, and the skill of grinding teeth is to grind food.
2. Find out the specific positions of incisors, canines and molars in the upper and lower teeth on the tooth model.
3. Children look at their teeth in the mirror, and observe each other with children, and reconfirm the specific positions and names of the three kinds of teeth.
(Teachers guide in groups to consolidate the understanding of the role of teeth. )
Fourth, combine the existing life experience and know how to protect your teeth.
1, Question: Food residues are left on teeth.
Teacher: Just now, I found a lot of food left on the child's teeth. Why do they stay on the teeth?
2. Find out why: What happens when there is food on your teeth?
Teacher: Tooth is not happy that these things have been left behind! Who knows why?
Summary: Food residue left on teeth, if not removed in time, will cause tooth decay and teeth will turn black and rot.
3. Solve the problem: remove the food residue from the teeth and trigger the child's desire to brush his teeth.
Teacher: Then how can we remove food residue from our teeth?
4. Teach children the correct way to brush their teeth and understand the safety when brushing their teeth.
● The teacher demonstrated the correct method of brushing teeth with a tooth model.
Teacher: Let's learn to brush our teeth together. The correct method of brushing teeth is vertical brushing (the toothbrush is brushed along the gap between teeth): the upper teeth are brushed downwards and the lower teeth are brushed upwards; Brush left and right inside and outside, not left and right horizontally.
Ask individual children to demonstrate the correct method of brushing their teeth with tooth models.
● Watch the courseware (3): The safety of brushing your teeth to understand the correct method and safety of brushing your teeth.
Teacher: Let's have a look. What should I pay attention to when brushing my teeth?
Verb (abbreviation of verb) demonstration courseware (4): Brush your teeth with songs, and teachers and students brush their teeth with music.
The teacher concluded: Children must insist on brushing their teeth in the future, so as to protect our teeth. Only teeth have a good appetite, and they are delicious and healthy!
The expansion of intransitive verbs;
Let the children design their own record form "Did you rinse your mouth?" "Brush your teeth in the morning and evening", implement a self-monitoring plan to protect your teeth.