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Bacteria under UV rays

... The way we detected the removal of the bacteria was with a black light. With the use of a black light in a totally dark room the presence of bacteria like substances is easily noticed. My hypothesis was that 409 would do the best job removing the visible bacteria. ... Even with that the black light still picked up a lot of bacteria left behind. During the experimental procedure I placed the ultraviolet rays on the test area the whole time the experiment was going on and picked one corner for each of the products and applied two sprays and wiped them off with the same paper towels. The product that removed the most bacteria was Kaboom! ... The water seemed to remove a good amount of bacteria initially but after it dried it was evident that it had removed barely any. This means that even though Lysol and 409 claim to kill the most bacteria, Kaboom! ... The study will investigate how each of the three products differ in the amount of household bacteria they kill. ... The detection of the bacteria will be done using a black light that emits ultraviolet rays. My hypothesis states that 409 will remove the most bacteria from the test area. ... Since bleach is a very powerful killer of bacteria I believe that any product containing bleach will kill the most bacteria. ... The study found that while the all natural did work to some extent it did not come anywhere close to eradicating as much bacteria as the commercial disinfectant. ... The experiment will also shed some light on how much bacteria with live unbeknownst to us. ... Then I planned to see the bacteria left behind with the black light and test each one of the products on its own individual area. However, after going through the procedures of having my hamster walk over all of the boards pretty evenly the black light did not detect any bacteria in those areas. ... Another reason could be that the black light does not pick up the types of bacteria that were found on the hamster.


Approximate Word count = 1721
Approximate Pages = 6.9
(250 words per page double spaced)
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