Informal science education is an important part of children's scientific activities, which refers to the scientific exploration activities in which teachers create a relaxed and harmonious environment for children, provide various scientific activities equipment and rich and varied organic materials, stimulate children's curiosity, and enable each child to use methods and skills according to his own interests and wishes and his own development level.

Characteristics of informal science education activities;

(1) There is no specific theme, no academic goals that children must achieve, and no specific and detailed activity plan or scheme.

(2) Children can choose their own activities and materials.

(3) The time and exploration process of children's participation in scientific activities are decided by children themselves, and teachers only give appropriate guidance.

(4) Teachers provide rich and varied materials.

(5) At the same time or at different times, each child can carry out different scientific activities.

(6) The environment provided by teachers for children can be large or small according to the situation of kindergartens.

(7) Teachers give priority to indirect guidance, and children have greater freedom in activities.

(8) There is no fixed organizational form, mainly individual activities, or two or three children voluntarily combine to explore.