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Physical Science,[object Object],Mrs. Harris ~ Sept.10, 2010,[object Object]
In the news: Oil Spills,[object Object]
Let’s look at some numbers:,[object Object],An estimated 190,120,055 gallons of oil have leaked into the Gulf of Mexico. ,[object Object],Oil is sold in barrels. There are 42 gallons of oil per barrel.,[object Object],How many barrels of oil have leaked into the Gulf of Mexico?,[object Object],________about 4.5 million barrels_______________,[object Object],42 gallons of oil,[object Object],1 barrel,[object Object],190,120,055 gallons of oil,[object Object],190,120,055 gal of oil,[object Object],? barrels,[object Object],4,526,667 barrels,[object Object],By dividing the gallons in the Gulf by the number of gallons per barrel.,[object Object]
What do we get from oil?,[object Object]
Let’s talk about gasoline:,[object Object],For every barrel of oil (42 gallons), we can get 19.5 gallons of gasoline.,[object Object],From our calculation of __________ barrels of oil in the Gulf of Mexico, how many gallons of gas could have been produced?,[object Object],___________________________________,[object Object],230,769 gallons of gas,[object Object],? Gallons of gas,[object Object],4,500,000 barrels,[object Object],19.5 gallons of gas,[object Object],1 barrel,[object Object],230,769 gal of gas,[object Object],4,500,000 barrels,[object Object],4.5 million barrels divided by 19.5 gallons of gas.,[object Object]
Let’s talk about gasoline:,[object Object],If 19.5 gallons of gas can be made from 1 barrel (42 gal), what % of each barrel can be made into gas?,[object Object],___________________________________,[object Object],46%,[object Object],19.5 gallons of gas ,[object Object],42 gallons (per barrel),[object Object],=,[object Object],0.46,[object Object],=,[object Object],46%,[object Object]
Next week:,[object Object],Unit 2,[object Object],Characteristics of pure substances and mixtures,[object Object],Bring a picture of yourself to share with your group.,[object Object],Mrs. Harris’s nickname in college.,[object Object]

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