In "Star Trek 2013" why did they :

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1)Make warping look quite a bit like an hyperspace jump
2)what in the world were those bright particles as soon as they jumped.
3)Why in the world did they make it possible for two entities to react in warp space in separate jumps.
4)Why did Spock get emotions for this movie.
5)What was the point of hiding the "Enterprise" underwater.
6)When they were intercepted by the dark ship, how come they reached Earth when they were far away from her.(I don't seem to remember the scene where they warp to earth).
7)How did the ship enter earth's atmosphere when it wasnt even in orbit.
8)When Scotty opened the door of the black ship , how come pike and khan didn't slow down?
valid question