Maxx's Watershed Blog Page

May 30, 2017
Thermal Pollution

Humans cause many changes in the temperature of a body water. This is called thermal pollution. An ecosystem includes the organisms that live in it.How can changes in temperature in a ecosystem change the organisms that live there? because some animals need cold water and some animals need warm water so some die and some stay alive which upsets the balance system. How do scientists measure the quality of water using temperature? They use a disk that goes into the water which has a depth reader at the end of the disk. Why is it important to measure the turbidity of the water? It’s important because it can tell you how clean the water is so that it is safe to go in. What causes turbid water? The sunlight can’t get to the deeper part of the water.Also the suspended particles absorb light which makes the temperature increase.Why is fecal coliform measured to determine the health of the river? There is bacteria from animals and humans which have harmful microbes that can cause diseases. How do fecal coliform end up in the river? It ends up in the river by runoff and sewage discharge. What role do humans have in altering temperature,turbidity, and amount of fecal coliform in water? The role humans have is they have a boat in the water and there is a leakage it could kill tons of fish that upsets the balance system. How can increased plant growth both increase and decrease dissolved oxygen in water? One way it can decrease is that the plants take up the oxygen so the things living in the water have a harder time to breath which would kill them.What trend did you observe? The trend I observed was if some things die in cold water it upsets the balance system and same for the other fish that need warm water which upsets the balance system.
Independent Science Blog

This Thursday,we did a science experiment about making water bottle filters.We first started by getting all the things we needed for the experiment.A bin, 4 clear plastic solo cups, 5 coffee filters, a piece of screen netting, ½ a cup of sand and ½ a cup of gravel, two 2-liter soda bottles, some tape, a chair (optional), and a bottle cap.The main things that we were testing were screen,coffee filter and sand and gravel we predicted that the screen would be the fastest and that it would clean the water the best.We tested all of them to see which one would do the best and it turns out that the sand and gravel cleaned it the best and was the fastest because the screen test got clogged and so did the coffee filter so we didn’t really have a fair test.The experience in this project was not so good because 2 of the 3 got clogged so it wasn’t a fair test so we don’t really know which one was the best.That’s what we did this week for our science project.

My Prediction

In science we have just started our new question,our question is how does fertilizer concentration affect the growth of the duckweed?My prediction is that there are chemicals in the fertilizer that make it grow so it affects the plant itself so the reaction makes it grow more and more but if you use too much it won’t work/Effect and if you don’t use enough it still won’t grow.That is my prediction of what it does to the duckweed and what I think what would happen to the duckweed. Our procedure we first, started to fill our test tubes with water (20 ml) in each one.The second step, is that we put in fertilizer (0.4 ml) into each tube.Step three we put four duckweed into the water test tube(make sure it’s four).Step 4 we made sure we had no more than 10 frauns (total).Step 5,we wrote down our procedure.! That is what we did for our procedure to start our science investigation! And also what you needed to do.


Also forest lands account for 16% phosphorus going into lakes such as lake champlain in VT.Connecting what I last said the forest can even get up to 35 percent.Another thing is that the watershed in Otter Creek covers most of Addison County they estimate/figure is 17.1 percent.Next is that it is a really high number of phosphorus in Otter Creek and that Otter Creek is the most percent out of it, which the Department of Environmental Conservation gauges at around 60 percent.Finally another thing about phosphorus according to EPA’s estimat that forest lands are the second largest contributor of phosphorus within the Otter Creek watershed next to agriculture.
Science Testing!

Here is what we have been doing in science in our classroom.One thing we did is that we took samples from our pond/lake and fish water and we tested it with chemicals and when we put each chemical in we noticed what it was doing to the water and if it was good water or not.What we added was maganouse sulfate & iodide azide we noticed a reaction the reaction made it look yellow and chuncky and little orbee like.Another reaction we did is that we put these drops into the same test and we put in 15 drops and it turned clean.Then we did the same thing to the other examples.When we did it to the fish water we did 9 drops and then it turned clean so it took less drops than the pond water.Things we noticed from them was it looked rusty from the pond water there was a layer on the bottom on b(Fish water)and also what we observerd about it is that b looks powdery.Also in a it got darker then it started turning clearer.Some more observerations is that we saw when we added flock it started getting bubbly sample (a).Finally another thing we did in science is we were trying to figure out if some types of fish can survive without oxegyn last year our tank broke not the glass but the filter and 1 of our fish was starting to die because there was not oxegyn but our other two fish were fine because they dont need oxegyn.


Now we are moving onto non point and point sources.My first thing our neighbors dog/cat's waste is outside so when it rains the dog wasted and cat waste go into the rain and hitch hike with the water.Another way is some times people flush wipes down the toilet that goes into the ocean which pollutes the ocean.Next people when they garden they put miracle grow in there vegetibles which is on a hill when it rains it goes with the water and finds its way into the ocean.Another thing is that this summer we had a water slide which has soap and it rained which of course goes with it into the ocean.Finally this summer we had a pool with dirty water we poored it out and when the rain came it took all of the dirty chemicals with it.Those are some reasons how water gets polluted and also how land and water interact.

How Do Land and Water Interact?

Here are some things that we have been doing in science.In science we have been trying to fiqure out our question our question is how does water qulaity affect the ecology of a community?We have been answering our questions in our science book some are about where does rain go and about what can water take up with it into the ocean.Also there are 4 words that we have been learning they are Commercial Industrial Agricultural and Residential those are the words that how water gets pollution.Also when science started we tested our fish tank to see if it was good water or bad water it was bad water so then we fixed the water we tested it with this water strip and we put this stuff in it and it turned into a color and the color that it shows is the bad color or the good color.This is some of the things that we have been doing in science. Also we have done a river model and we tested it on a good model and a bad model and in the good model it didn’t get as much dirt as in the bad model also our model demonstrated what way the water went up or down and it went down.Also we have been learning how it gets pollution one way how it gets pollution is that all those workers get dirt and stuff and when it rains it goes down hill to the lowest point such as the ocean also oil and gas does the exact same thing it goes down hill into the ocean which makes the ocean get more pollution.

#maxx #investigations

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