Answer:
The best form of writing and the kind of supporting details when the audience is children and the purpose is to entertain is: short story; details that bring the subject to life.
Step-by-step explanation:
When preparing a presentation, the most important thing to know is our audience. In this case, when our audience is children, we have to make sure that what we tell them doesn't bore them, we have to make a brief speech and explain the most important details with dynamic activities; songs, games, colors, videos, etc, This mean that we have to try to bring the subject to life, to make it dynamic for their better understanding.