Electrical engineering sounds fun and you get to do alot of fun stuff like build roller coasters, digital camera's, and mp3 players. Its can be a very dangerous job but it looks really fun.
Nuclear engineering looks fun because you work on nuclear reacters that generate power to large cities, submarines, or even spaceships. This career sounds fun because you help are cities and you can deal with submarines and ships.
Chemical engineering looks fun because you improves lives in big and small ways and working at pharmacys to help people with there problems this sounds fun because you deal with chemicals and help people.
Aerospace engineering sounds fun because you get to make space crafts and see what material will make it to space and you might be able to make a different generation of telescopes this career looks fun because you get to deal with stuff that involves with space.