0_Apprentice
What's Science fiction all about?
1_Wizard
It's a genre, sometimes shortened to sci-fi. Usually all about futuristic science and technology. Stuff like time travel or space travel for example.
0_Apprentice
Why the use of bother terms science and fiction,why not simply science or fiction?
1_Wizard
Well because it combines both science and fictionis called literature of ideas. It combines consequences of scientific experiments. 
0_Apprentice
So are they related to movies?
1_Wizard
Sure, Science Fiction is both a movie and literature genre. HIstorically it has grounding in actual science but nowadays more of a fiction.
0_Apprentice
What what sci-fi movie do you know of ,may be that could explain the concept better
1_Wizard
For example Stargate SG-1. Its a military science fiction TV series. Those kinds usually involve spacecrafts, robots, alien worlds and such.