Baby Scientists: Germs and Cleansers Experiment
Baby Scientists Zack and Austin collect germs from some funny places and see what kind of growth they cause on potatos. They want to know what kind of cleansers work best for disinfecting. They try bleach, Simple Green, tea tree essential oil, vinegar, and urine.
Which cleanser worked best on what kinds of germs? Check out the details at the Baby Scientists Blog: http://babyscientists.blogspot.com/2011/09/growing-germs-on-potatoes.html