A couple of my friends took part in this experiment by staying up late in order to see if a lack of sleep makes one less alert during the day.
This was an interesting exhibit measuring the amount of bacteria in water. Would you drink toilet bowl water or water from the port? Well, it turns out that the port's water contains 25 times more e-coli than the toilet!
This experiment measured whether deodorant or hair-spray would propel a potato further. Hair-spray was the better choice.
Which solar oven would cook an egg faster? The parabolic reflector oven was the better option, although both took a long time.