so for my science project, i have to build a water filtration system. That being said i decided to build one using an active carbon filter. What i was wondering was, are the active carbon filter used in fish tanks safe to use?




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I’m doing a science project on the plant elodea, and it says to put the elodea in dechlorinated water.




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How does Floride protect your teeth?




I’m doing a science project on if you brush your teeth longer if it will help protect your teeth from the damage of acid (my father came up with the idea)and if so, is floride the source of help.




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How can i build my own water filter?




Hello, i am wondering if anyone knows how to build a basic water filter that works moderately to extremely well.
If it can be made on a low budget and from easy to find materials that would be great.
Thanks
Sorry, i forgot to mention that i just need to build it and test it for a science project.

Thanks




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How do you separate Powdered Charcoal from water?




I am doing a science project, and I have to build a filter to remove sand, food coloring and oil from water. I already figured out how to seperate the sand, and oil, however, to remove the food coloring, I have to add powdered charcoal. The problem is I do not know how to remove the powdered charcoal from the water. I need the water to end up pure water. Do you guys have any suggestions?
What do you mean by "Filter"? We can’t buy a filter because we have to make our own. Do you have any suggestions of how to make it?




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For my science project how can i make a device that turns dirty water into clean water? a simple device?
plz talk in 13 year old language
need some good answers i have to do my project in 2 weeks




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In a science project, we need to figure out how to clean contaminated wells. We figured (through labs) that the creek was spreading the contamination. Do you know of plants that have ALL (or at least some) of these traits:
-Do well in dry areas (creek) that sometimes flood
-Help clean the water (cat tails and others do that)
-Are native to Illinois
If you know, that’d be great! Please don’t try and guess random plants. :)




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How do you make a in home water filtration ?




I have a science project that i need to do. i need to make a water filtration system. so that one day i put in dirty water then some days later it is clear. Does anyone know how to do this? Dont answer if you are just going to say you dont know




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