hi tiffany, i too think it's awesome you like science (there's a lot to like). most of the interactive websites i know of are mainly aimed at children (i get my son to play games, like building skeletons and so on, like a couple of the ones i give under sources and, to be honest, i think i have as much fun as he does, lol!) but, if we're not restricted to just interactive, these are nice resources to explore:
http://evolution.berkeley.edu/evolibrary/resourcelibrary.php
http://hubblesite.org/
http://www.si.edu/
http://www.nhm.ac.uk/nature-online/index.html
http://www.schoolscience.co.uk/interactives.cfm
and here's a couple of things you might enjoy watching:
http://science.discovery.com/tv-shows/wonders-with-brian-cox/about-this-show/about-wonders-with-brian-cox.htm
http://www.youtube.com/watch?v=PWvD8D9IldQ&list=PL8741CFCC490D4216&index=28&feature=plpp_video
ok, i'm going to stop now or i'm going to be here all day (i got tonnes of stuff!) happy discovering :)