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lab write up

by: Alex L
Alex L

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About this Document

The proper procedure of how it's done
Environmental Journalism
Barnett, Cynthi
75 ?




Popular in Environmental Journalism

Popular in Journalism and Mass Communications

This 2 page Bundle was uploaded by Alex L on Thursday March 17, 2016. The Bundle belongs to JOU 4930 at University of Florida taught by Barnett, Cynthi in Spring 2016. Since its upload, it has received 25 views. For similar materials see Environmental Journalism in Journalism and Mass Communications at University of Florida.


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Date Created: 03/17/16
Formal Lab Write Up: “Foil the Oil and Clean the Streams” Problem/Research Which material is the best for cleaning up an oil spill? Question Background 1. There are 2 types of oil: crude and refined. Refined takes information longer to clean up. 2. Oil spills fall under the category of organic chemical water pollution. 3. Mechanical removal methods include using floating booms and skimmer boats. 4. Chemical removal methods include burning the floating oil, and using coagulating or dispersing agents. 5. Biological removal methods include using bacteria “cocktails”. Hypothesis If we use feathers as cleaning agents then the oil spill will be cleaned because feathers are highly absorbent. Materials -1 pan -Water -Measuring beaker -Pipette -Dish soap -Oil -Feathers -Moss -Food coloring -Spoon -Timer -Toothpick Procedure Independent variable: Cleanup method Treatments of IV: dish soap, feather and moss Dependent variable: How much oil was left afterwards Constants: The amount of water, oil and independent variable used were all the same, along with the amount of observation time. 1. Using measuring beaker, fill the pan up with 600 mL of water. 2. Then, place in 4 drops of oil directly into the pan. Pour 3 drops of food coloring in the water, in order to better see the oil slick. 3. Place a pipette full of dish soap into the water, and then using the timer, wait 2 minutes, and record your observations. 4. Using a toothpick, stir the water in order to simulate natural water movement. 5. Dump out the water, and then repeat the steps using the other independent variables (a handful of feathers, and then a handful of moss). 6. Record and compare the results, through writing them on paper. 7. Remove feathers and moss with a spoon. Data Collection Clean-up method observation table Dish soap Feathers Moss Used blue food Used yellow food Used red food coloring. The coloring. The coloring. The moss water was water was didn’t disperse on stirred with the stirred. The its own. The water toothpick, to feathers sunk was stirred. The simulate the and very little oilmoss did not sink. movement of was removed. water. The oil disappeared in about 15 seconds. Conclustion/analysis My hypothesis was incorrect, so I reject it. The substance that works best to get rid of oil spills are dish soap, not feathers. The dish soap clearly beat out feathers, since not only did it remove every trace of the oil, but it also was the quickest removal. One possible source of error was that I didn’t replace the water in-between using dish soap and feathers. Instead, I just added more oil and a different food coloring color. Another possible source of error is that I approximated some of the measurements like 1 handful of moss. One suggesting for improving the experiment is to conduct the trials multiple times, to see the results are consistent. I learned that the best way to get rid of oil spills are dish soap.


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