Answer:
It is science fiction.
Step-by-step explanation:
A fiction is basically an imaginary future approach. So, in a similar way a Science fiction is an imaginary future development mostly related to environmental changes, life on the planets other than earth, solar system, etc.
Fiction is nothing but literature of ideas. Kids would be much interested to read about science fiction, which would increase their creativity and also who knows, one day the imaginary aspects could be achieved by one of the kid who is reading the science fiction stories.