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We have three 6th grade Science classes and two 8th grade Science classes blogging here from the Pacific Northwest in Chimacum, WA! Sixth graders are learning a bit about Mt Saint Helens, environmental science through fresh water ecology, and physical science this year. Eighth graders are learning about life science this year. Please join us as we learn Science by exploring our world.
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by teacher: Alfonso Gonzalez
Blog Entries

Water Quality Jobs
There are seven water quality jobs. Those jobs are D.O., PH, Turbidity, Ammoia, Flow Rate, Nirates, and Temperture.

D.O.(disolve oxengen):It helps fish and other living organisms in the water. If the levels too high or too low it might be polluted.

PH: PH stands for positive hidgrogen it`s good if the positive hidrogen levels are low if it`s too high then the water might be polluted.

Nritrates: nitrates are molcules that are one part nigrogon and three parts oxengen 75% of our air is nitrates it`s also good for the water quality too but at lease over 0.2 if it1s over it`s bad.

Turbidty: turbidity shows how murky the water is. if it`s too murky than the water has alot of dirt, sand, and all other stuff in the water. the murkier it is the more pollutated the water is; it`s best if it`s clear.

Ammonia: Ammonia is a clear colorless foul smelling substance that can kill all the liveing things in the water wich is bad. If it`s levels are 0.6 or 0.8 then it will cause all the fish will die.

Flow Rate: Flow Rate is to find out how fast the water is in creeks. it`s best if the flow rate is slow because if the water is ruuning fast then the baby fishies will have a difficlt time swimming up the stream and the could die.

Temperture: temperture or temp. for short. I`ts to tell how warm the water is. The fish like salmon and trout perfer cold water. if ot`s warmer then they could die. the average temperture is 27 degrees c ( 31.13 degrees f)

Now you know how we figure out if the water is polluted or not. :-)

Article posted February 29, 2012 at 03:31 PM • comment • Reads 112 • see all articles

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