How to draw the second stop of the fourth grade book "100,000 Why"

The drawing method of the mind map of the second stop of the fourth grade book "100,000 Why" is as follows.

1. Draw a stove in the middle of a piece of paper.

2. Four arrows extend from the middle to write the purpose of getting angry, the origin of the fire, the evolution of the way of getting angry and scientific problems.

3. Finally, add the answers to the last four questions.