Oil and Natural Gas Oil and Natural Gas • Oil – Formed from small, dead ocean organisms that sink to the bottom and get covered by layers of rock and dirt • Natural Gas – Methane – Cleanest of fossil fuels HOW ARE OIL AND GAS MADE ??? Uses for Oil and Natural Gas • • • • • • Transportation (gasoline, diesel, jet fuel) Asphalt Heating Cooking Plastics Lubricants Oil Spills • Accidental release of liquid petroleum (oil) into the environment • Examples: – Oil ship wrecks – Leak in oil pipeline Methods for Cleaning an Oil Spill • Bioremediation: using microorganisms or biological agents to break down or remove oil • Dredging: some oils sink, cleaning below the surface of the water • Skimming: cleaning oil off of surface • Dispersion: materials, such as some detergents can disperse oil into small clusters that may be easier to remove than larger areas • Burning: Can eliminate large amount of oil in the water, but causes air pollutions Materials • • • • • • • • • • • • • • Rubber bands Paper towel String Cotton ball Plastic wrap Popsicle sticks Toothpick Balloons Suction tube Spoon Soap Sand Windex Kitty litter