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I noticed that each different material had a certain job.

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I noticed that at first, when I added just a couple drops of water, nothing happened, it only started to really filter through when I added a lot more of the dirty water.

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The water would go through the gravel easily, but when it got to the sand it takes a while to go through

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As I used the filter more and more the filter began to work less and less even after cleaning layers.

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At first, the water went really slowly, so I ended up having to pour it a little faster to make the filter more efficient.

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I noticed that when you first pour your dirty water through, it goes very slowly, but it will slowly start speeding up the more dirty water you put.

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My water didn't come out very clean.

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the oil seeped out of the device and when the water is trough the device it is not completely clear.

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something i could do to make my filtration system even stronger is that maybe instead of plastic pieces i could use glass or metal pieces.

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each material did a different thing

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I think my filter did good because there was barley any oil once it had been filtered.

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I noticed that  during the test that the water was going down much easier than it was now

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i noticed that there was oil in my water.

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I think that the gravel holds t
all the dirt and then the sand filters it and the carbon filters it some more

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I think that as the water runs through all the materials, the materials collect the thicker dust, and there are small holes only for the water to run through, and none of the dirt to go through it.

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I noticed that it all my water was getting clogged at the sand part so I emptied some out then it worked.

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Gravel Layer: Filters out larger dirt

Sand: fine dirt and oil

Carbon Layer: disinfect and any other contaminants

filter: super fine dirt and small oil bubbles

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We could have more layers of different materials.

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When I did the filter the oil started to come through a bit

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Each layer of the filtration system filters out different parts of the dirt in the water. The gravel filters out larger pieces, the sand filters out the oil, and the active carbon and filter take out the smaller pieces and particles.

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if i add less oil next time.

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the different layers of the device filtered the water by not letting the dirt and oil trough

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You could add another filter paper

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I added more sand to mine to lessen the chances of oil coming through the filter

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In order to make my water filter stronger is to add more layers of different materials.

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each layer filters out something different

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the dirty water runs through the different layers and it gets a little less dirty every  time it goes through the layers and then it goes through the filter paper it gets filtered so we can drink it.

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Something that I could do to make my filtration system stronger could be to rinse all the materials really well, then add more of the levels with more of the materials so the water will have more things to run through.

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I would make it larger and stronger skills nothing could get through.

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I think that the gravel takes out the bigger things like pieces of dirt, then the sand filters it some more, the active carbon filters some of the smaller things and the filter paper takes out the remaining stuff.

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There could be more layers of the different filtration materials instead of just 4 to take out more and more of the small and large pieces of dirt in the water.

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you could add more layers of the same materials

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I would double each layer and possibly add a few more to ensure it is clean.

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To make it stronger I would put more gravel and put filter paper in each compartment

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I think that my filtration system worked well. it was a bit slow to filter though.

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I noticed that each material had a different purpose in filtering different things out of the dirty water.

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I think that the gravel takes out chunks of dirt dirt, then the sand filters out the smaller pieces,  the  carbon filters very small leftover particles, and the filter paper takes out the remaining particles in the dirty water.

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I think that a possible design solution to help solve the problem in Flint could be to attach a filter to the tap with different filtration materials. The filter could be similar to the ones we made today, but with different substances that would help to filter the lead out of the water. It could also be connected to the tap as a pipe that the water passes through before coming out. Then is would be less dangerous to use tap water.

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I noticed that the layers each do a  different job and that it takes a while for the water drip through.

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Each layer filters different aspects of the water, like the sand filters the oil and the rocks filter the dirt.

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You could more layers of different items.

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I think that there is a solution. First the pipes need to be replaced so that the source of lead stops getting into the water. Second, then, we could get the water tested again, and if there is still lead, we could put filters at the beginning and end of pipes which can remove lead. I am not sure that there are filters that remove lead, but I think they can be designed with science.

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I think that one solution could be to install filters at the end of taps, or faucets, so that when the water runs out, the lead could be filtered out, and safe to drink. Also, they could try to input some sort of chemical substance that could kill the lead in the water, and they could put that in the pipes to kill the lead. But, I'm not exactly sure if there is a substance that could kill lead, and be safe in case people get some in their water.

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I think that they should install more filters through out the pipes and the should teach people how to filter the water and also they should replace the pipes. And they should also put filters in everyone's home.

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This is specific: I would design an extra-long showerhead that would have filter chambers in it, so that by the time the water made it out of the shower head it would be clean. Similar things can be done with all faucets, taps, ect.

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I think that they should use Multiple filters in the plumbing systems so then the water is clean

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Doing further research I found that Activated Carbon absorbs heavy metals such as lead. For tap water at the sink I would instal a filter that uses Activated Carbon so the lead can be easily absorbed. And the same would go for water fountains, and showers. Although for showers there would be a shower head connected to the tap so that when you turn it on the water wold go through it. When it goes through there would be a series of filters with activated carbon to absorb the lead resulting in clean water to bathe in.

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I noticed that my filtered water had a little bit of oil so I modified it to not have oil by adding more sand.

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I noticed that each section cleaned a different part on the dirty water

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I noticed that each layer of the water filter has its own job to filter out any of the dirty stuff.

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I think my water filter worked just fine. It collected way more water than I thought it would, and it was pretty clear.

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I realized that the water that I got was not complete clean there was still a few speaks of dirt.

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I think that the gravel holds the big peaces of dirt, the sand holds smaller peaces of dirt and the oil, the eco time it goes though another layer it gets less dirty.

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system works by taking out the dirt, oil, and more in each layer.

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you could add more layers

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I think I could’ve made the water a little more dirty because I think it wouldn’t have collected that much clear water with my dirty water.

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I would replace the pipes with new pipes that have filters in them. They could help filter out the lead in the water. On top of that I could put filters in taps and shower heads to ensure that the water is lead free.

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I noticed that the sand, gravel and active carbon all had different jibs

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I think they should use a lot of filters for there water and maybe put some in the pipes, because if they put them in the pipes that might filter the water and keep it cleaner and safe to drink.

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I think the gravel holds all the big chunks of dirt and then when the water goes into the sand it filters it a bit more and then when it goes into the carbon

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to make it stronger i could add more layers of materials.

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I think the filtering worked ok I did not get all of the dirt out but I got moats of it out so I would give it a 3 out of5

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you cloud add more filters so that the water gets even more clean

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I would add more levels and make it smaller

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I would probably add more water filters and make the tubes so that the don’t leak and dirt dose not get in

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I think they should first clean out the pipes the create a water system that thoroughly cleans the water and gets rid of all lead so that way people can have clean water

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I think that they have to replace the pipes

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change the lead pipes to a different type of pipe

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I would make a sealed metal tube that delivers water to peoples houses and have filters in side of the tube for the water to get filters be fore it gets to peoples houses