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The cause and effect of Oil spills

Science: fresh and salt water systems unit project.
by

Madison Christie

on 4 November 2012

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Transcript of The cause and effect of Oil spills

By Queen Bee Katelyn and Madison The Cause and Effect of Oil Spills 1 2 Oil spills can be from nature and the things we do on land. A large majority of the oil in the ocean is from natural seeps from the ocean floor. The oil also comes from people using petroleum or other oil on the land that leaks and is washed into bodies of waters. 3 Oil spills can also be cause by water sports. When people are on the ocean and their machines leak fuel. Some examples of the machines are motorboats and jet skies. 4 Oil is also spilled by oil rigs out at sea. When the drilling is carried out the oil and petroleum that is used for it can be released into the sea. Oil spills affect animals in many ways. Some of the ways they are affected are hypothermia, poisoning and blinding. Effects on Sea Otters In their fur, sea otters have air bubbles that help them to float and live in cold waters. If the oil covers their bodies, it can cover these air holes. As a result the otters can die because they can not swim properly. Or they can get hypothermia. Effects on Killer Whales When they swim through oil it plugs the blowholes, making it impossible to breath. Also when the killer whales eat they could end up eating a fish with oil on it or in it's system, giving the whale poisoning. Effects on plants under the sea. Oil coats the top of the water, it blocks out the light and prevents photosynthesis. When the plants can not preform photosynthesis then they die. All the animals are affected because of the lack of oxygen. Causes: Oil spills happen when oil tankers have equipment failures. When the tankers have malfunctions they can end up in shallow waters. Then as they try to get out they can damage their hull. This can cause large oil spills. Although this is the most heard about cause, it is actually only the cause 2% of the oil in our water. Effects: Did you know? Studies have shown that the environmental damage of oil spills are far greater than originally thought. The oil can negatively effect the environment at as low concentrations as one part per billion. Also the oil can stay in the water for months to years because it mixes in to the pebbles and sandy beaches. Effects on Sea Turtles The oil on their skin can cause irritation or chemical burns. When they inhale it, the oil can damage their lungs or cause pneumonia. Oil in the nests if the turtles can also lead to deformities or death. Info from
http://oceana.org/en/blog/2010/06/new-report-oil-spills-impact-on-sea-turtles
www.oilsplat.com
http://science.howstuffworks.com/environmental/green-science/cleaning-oil-spill.htm Ways of Removal Right after the spill. If the crews can get there fast then they will most likely chose to contain the spill with long buoyant booms that have long skirts that hang down. Then boats would come along and scoop or suck up the oil into containment tanks. Other methods The crews might decide to burn the oil or use large sponge type materials to clean up the oil. Our project We did our project on what materials soak up the most oil. http://www.itopf.com/about/ http://skepticalswedishscientists.wordpress.com/2010/07/20/oil-spill-natural-history/ http://de.wikipedia.org/wiki/Datei:Water_sports_(1094466786).jpg http://www.bikyamasr.com/13992/red-sea-oil-spill-nothing-new/ http://w3.shorecrest.org/~Lisa_Peck/MarineBio/syllabus/ch9vertebrates/mammals/mammalwp/paige/Distribution.html http://www.thedailygreen.com/environmental-news/latest/white-killer-whale-47030709 http://www.kidport.com/reflib/science/seaanimals/SeaPlants.htm http://www.turtlehospital.org/blog/?p=679 http://article.wn.com/view/2012/01/14/Crews_Battle_Live_Oak_County_Oil_Fire_for_Hours/
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