1 Through observation, we can know the shape, size and color of teeth, the growth process of teeth and the function of teeth.
Let children know how to brush their teeth every day.
Activity preparation:
Pictures, cards
Activity flow:
A child observes each other's teeth and knows their characteristics.
1 Open your mouth and see what's inside.
2 What are teeth like? What color? How many teeth are there? Are the teeth the same size?
The teacher summed up: teeth are white, everyone has many teeth, big and small, and teeth are rectangular.
Secondly, introduce the growth process and function of teeth.
1 Do people have teeth at birth? Where do teeth grow first? (front teeth)
Who will lose their teeth?
What is the use of teeth?
How to protect teeth?
1 Are your teeth white? (Let children find cavities)
Children talk about how to prevent tooth decay.
Four riddles.
A family of brothers, more than 20, Mr. Brother, epigenetic brother, younger brother guarding the door, older brother pushing the mill.
End of activity:
Children discuss together.