Best water.

I will test 3 different type of water from different place and use a water testing kit and see which is better.
Beza Menede
Grade 6


Hi, my name is Beza and this is my science fair project. What will I be doing? I will be testing water for any signs of harmful things. My water sources are... Puddle water, sink water and, snow water. These are quite strange water sources but i couldn't go far  to collect lakes or ponds and i choose these water sources for different environments. I think that the sink water will be the safest water to drink because... The snow could contain animals droppings or collect ''stuff'' from the ground. The least safest on my list is the puddle water. The puddle water, in my most honest opinion is very safe. I mean its puddle water people love to jump in it and who knows what on there dirty shoes, so i strongly believe that the sink water is what you should drink but i ain't the expert so let  us wait for the results.


The question I get asked a lot is why I choose this project, the world is currently going through a pandemic so why don't I do something about that. Well, That topic is too predictable. I'm guessing quite a few people are probably doing something related to Covid-19. So I decided to be different and chose a project I don't really think anyone is really going to do. Research has shown that between my choosing of water the best and the most safest is the tap water. Although it could contain lead poisoning, that is the safest option because the puddle has a good chance of containing Leptospirosis which is a bacterial infectious disease. Snow water contains magnesium chloride. I don't want to frighten you with the harmful things in what you might be drinking but I think it's best you know cause if you don't know, god knows how sick you'll be. So take this time to learn about what could possibly be in the water you might be drinking. What is in my Tap water? We use tap water for cooking or shower and drinking. Tap water comes from many places like lakes, ponds, rivers. Tap water could contain a range of harmful stuff like including bacteria like e. coli, toxic, algae, lead, and sulfur. How do these germs and bacteria even get into the water? The center for disease control has stated that the most common way for water to be contained is local land, like farmland. What about snow water, well drinking or eating snow isn't recommend but if you are in a situation where that the only way for you to stay hydrated is drinking snow, fresh clean snow is the best, if possible boil for about 30 minutes to 1 hour. Puddle water, what I think is the least safe, puddle water could contain leptospira bacteria which is very unsafe. It can give you many different types of symptoms, however, some may not even experience any symptoms. If not treated the leptospira bacteria could cause kidney failure, the membrane around the brain and spinal cord, liver failure, respiratory distress, and even death. This why knowing what's in your water is important because the outcome won't be the best.


Controlled Variables

1. Test sitting time.

2. Amount of water.

3. Temperature of water.

4. Temperature around.


Manipulative variables

Different water sources.


Responsive Variables

 amount of water put into the test tubes and amount of time left out to develop. 






I placed each different water source in different cups. I later poured the water into vials and dipped the test strips in the water, after waiting about 2 minutes I observed the strip and compare them to the booklet. After finding the best colour match I wrote my observation in my logbook.


 The hydrogen sulfide test had no color meaning the test is 0. After carefully looking at the color matches for the manganese test the test strip showed that  0.1 PPM is the result. Manganese test 2, Unfortunately, no color has appeared on the manganese test making my observation and results undateable. Ph level test is 12.0, the total alkalinity is 120 PPM and, the total hardness was 50 PMM. That is all for my puddle water test, but, Before I leave just wanted to say that maybe my manganese test wasn't dipped correctly but I will find what cause the reason for the test to be undatable. I also observed that some of the tests for the puddle water were not at their recommended level. A thing I noticed is that in my tap water test all of the strips were white, no color was detected on them so I was unable to see the levels they were on.  I'm not surprised that all the tests came back white, now that I think of it maybe my tap water(from outside) is the safest choice of water. A cool and weird thing is that my snow water test results are the same as the other 2 tests. The 3-way test( Ph, total alkalinity, and the total hardness are the same as the puddle water. The manganese test #1 and #2 are both white like the tap water also the nitrite and nitrate were white. the manganese test #3 is the same as the puddle water test.



What further steps can we take? People might think I just tested water to see which one is the best. I'm doing it to show or tell people who have the luxury of fresh water every day what not impured water can do to a person. Currently, we are trying to find a cure for Covid-19, but we can also help prevent the spread of it by filtering our lakes and ponds, What do I mean? Germs don't only spread through touching, sneezing, or coughing. Germs can spread through food sharing items and even water. If for example a village person goes down to their local river to clean their clothes and someone else goes for a drink of water, the germs from the clothes can spread to the river, and when the person drinks it they could it get really sick because all the sweat saliva and maybe even mucus on the shirt in now contained in the water. We can help people who don't have access to fresh water by providing them with clean taps or filtration systems, that a way that could less spread the virus to!


To conclude my Science fair project I give you an optional challenge, to build a filtration system and filter water or test water and compare them to friends or family! In conclusion, I think it's impossible to look at water and guess what harmful or nonharmful stuff is in your water so PLEASE for the sake of your health don't drink any contaminated or unpured water. Thank you and bye!


There's a lot of ways that this project can be used in the real world. People could purchase and test water for the safest. They could build a filtration system and hope that it really clean the water or you could combine them and test to see which water is best after fitered. In general, I'm saying that this project could help in my opinion some people.

Sources Of Error

For my tap water, all the test strips came back white so I couldn't get any clear or stable answer for the tap water. I also made a mistake with the color matches, I was supposed to compare the water in the clear vials. Some of the tests color on the strips faded making it hard to get a clear answer.


Firstly, I would like to thank my parents for encouraging me to try hard and to keep going, and for buying the supplies for the experiment. secondly, I would like to thank my siblings for reviewing my work. My best friend, I don't think I would be writing this if it wasn't for Minnah Olajobi and I would like to thank my teacher Mr. Scheidegger.