There are some questions that parents can't answer at the moment. You can tell him after you get to know them. Many famous scientists, their creativity and inventiveness are curiosity that germinated when they were young. Parents must cherish their children's wisdom buds. When answering a child's question, it is best not to give him the answer directly, but to show him how to get the answer, such as through experiments and finding books, so that the child can find the answer by himself.
3. Children, parents can do experiments and read books with him. This can cultivate children's ability to solve problems independently, master the methods to solve problems, cultivate children's feelings for books, interest in learning, and understand the meaning and benefits of reading, that is, they will not feel bored when they study at school.