What thematic conflict defines most science fiction movies?

In most scientific movies, the conflict usually revolves around overcoming obstacles that the characters never faced before.
Science fiction usually involves around technologies that do not exist in our current world, and the characters had to face a lot of challenges because either the inferiority of technological capabilities or lack of understanding in the new technologies

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.