How things Fly: Are You Really Weightless in Orbit? (http://www.nasm.si.edu/exhibitions/gal109/NEWHTF/HTF611A.HTM):
    Find an answer to the age-old question; are you really weightless in orbit. As an added bonus, the super-quick shutter-speed camera that caught the picture of the man on the ladder while the rocket flew by.

Science Experiment - Floating Boats (principle of flotation) (http://www.spartechsoftware.com/reeko/Experiments/floating.htm):
    Buoyancy. The seven letter word with only two true consonants in it... This website offers a pretty good explanation for buoyancy. The one thing that they should add is that the water is pushing you up instead of simply "pushing on you."

Iceberg Pictures - Stock Photos (http://aku-aku.com/stock/antarctica-icebergs1.html):
    Did you know that 89% of icebergs lie underwater? Although only 11 of the total hundred percent can be seen in these photos, it is evident to all that these photos are truly breathtaking!

Goldfish Swim Bladder, Erratic Swimming, and Buoyancy Problems (http://www.aquariumfish.net/catalog_pages/goldfish_and_koi/goldfish_swim_bladder.htm):
    Wow, who know a disease in fish can cause them to bob up and down in the water. A disease to their swim bladders (an important organ in the maintanence of buoyancy) causes this odd behavior.
   



Added Bonus!

What to do if your fish has swim bladder disease. Properly entitled, "Way More Than You Ever Wanted To Know About Swim Bladder Disease"
     Not exactly a good site for this class, but down right entertaining. Hopefully you'll enjoy this article!