Science can make dirty water safer to drink. Boiling kills germs like bacteria and viruses. A small amount of chlorine can purify water, and filters can catch dirt and tiny microorganisms. Sunlight also helps – clear bottles left in the sun for hours heat up, and UV rays kill germs. However, these methods can’t remove things like gasoline, poisons, or heavy metals. Communities pick a water treatment method based on their water quality and resources.
Science can make dirty water safer to drink. Boiling kills germs like bacteria and viruses. A small amount of chlorine can purify water, and filters can catch dirt and tiny microorganisms. Sunlight also helps – clear bottles left in the sun for hours heat up, and UV rays kill germs. However, these methods can’t remove things like gasoline, poisons, or heavy metals. Communities pick a water treatment method based on their water quality and resources.