Water Filter Research

What's in a water filter Watch this video and answer the questions According to the video, what is purpose of the styrofoam beads? How many "stages" of filtration did the water go through? 1 2 3 4 What is activated charcoal and why is it used in filters? Click on this website to answer the follow questions. What is activated charcoal and why is it used in filters? What is their definition of activated charcoal? What does the activated charcoal absorb? (there are 2 answers) odorous substances water coloured substances bacteria Click HERE for website to answer questions Use this Website to answer the following questions. Pre-treatment water passes through a screen which keeps large debris such as sticks or trash from moving on flocculation removes smaller debris, silt, and microorganisms from water filtration Water flows through filters made of sand and coal. This filters out any remaining solid particles disinfection chlorine is added to the water. This kills any microorganisms that may cause diseases distribution. Water is then piped into homes, schools, and businesses for people to use What does the video compare a waste treatment plant to? a car a rocket a train a toilet What does the video say is responsible for getting rid of the "brown substance" in the water? filters tiny bugs chemicals the sun