1. Know that the balloon bulges because it is full of air, and feel the existence of air.
2. Explore a variety of ways to play with balloons and cultivate creativity.
Activity preparation:
1. Inflatable balloon, inflatable balloon.
2. A water pump.
Activity flow:
First, the teacher showed a balloon filled with gas. Let the children touch it and guess what's inside.
Please touch the balloon. How do you feel? Why does the balloon bulge? (There is air in it)
What if there is no air in the balloon? The teacher loosened the rope where the balloon was inflated, so that the children could feel the air coming out of the balloon. Without air, the balloon will deflate.
Third, how to make the balloon bulge? The teacher shows the pump and inflates the balloon, so that the children can observe the process of the balloon becoming bigger. Perceive the existence of balloons. The balloon will expand until it is filled with air. The more air, the bigger the balloon; On the contrary, if there is less air, the balloon will be small. But if the balloon contains too much air, it will explode.
Fourth, the air has a strange temper and likes to slip out of the balloon's belly. How can we fill the balloon without letting the air escape? (tied with rope)
5. Diverse children's thinking and thinking. What else in our life needs to be filled with air before we can use it.
Automobile tires, swimming rings, life jackets, hovercraft, etc. )
Teacher's summary: Introduce the relationship between air and life.
Seven, do the game of shooting balloons.