Approximately four percent of the world's production of crude oil is turned into plastic, while roughly, forty-two percent is used for heating and electrical energy, forty-five percent is used for transportation, and the rest is used for other uses (Carey 216). ... The mixture is separated into fractions, not individual compounds. ... These fractions are very complex mixtures. ... Polymers are converted into plastic products in many ways. ... This is how flooring and paneling is made. ...

• Word Count: 1542
• Approx Pages: 6
• Grade Level: High School

A fraction of that energy reaches the earth. The fraction of the energy from the sun that reaches the earth in just one day is still more than enough to cover the energy use of the world in a whole year. ... Solar design, better insulation, and more efficient appliances could reduce this demand by 60 to 80 percent. ... This is just how conventional refrigerators and air conditioners work. ... Solar cells are made of materials that directly convert light into electricity. ...

• Word Count: 917
• Approx Pages: 4

Each day, they must decide how many cups of lemonade to prepare, how much money to charge for each cup, and how much to spend on advertising. ... Then they use formulas that include complex fractions and large exponents to calculate the monthly payments on their virtual dream car. ... In the unit's math lessons, students calculate commissions and odds, compare price-to-earnings ratios, use fractions and decimals, graph the results of various investment strategies, and more. ... How do you get what you want? ... Students access real weather data, learn about the Fahrenheit and Celsius te...

• Word Count: 6364
• Approx Pages: 25
• Grade Level: High School

Preventing Spills The U.S. oil and natural gas industry supplies more than 65 percent of America's energy. ... The viscosity of the oil affects how fast it disperses. ... Only a few components in oil are soluble in water, so dissolution involves only a small fraction of oil. ... This water-in-oil emulsion may be 50-80 percent water and thus increases the volume of the oil spilled. ... When bacteria consume oil, they convert it into more soluble, oxidized products and eventually to carbon dioxide and water. ...

• Word Count: 1417
• Approx Pages: 6
• Grade Level: High School

This issue prompted me to research ways to reduce global warming. ... To put it into terms a little easier to understand, assuming we could efficiently convert approximately 0.0014 percent of the sunlight that hits the earth on an average day, we could power the United States for a whole day with solar energy collected by the indirect photovoltaic system, also known as solar panels placed in a spot where they receive sunlight convert it into usable energy. ... "(Bortman) Although, I see photovoltaic systems as being in the beginning stages, I know it will be a breakthrough that will revolution...

• Word Count: 3689
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate

At the time of its incorporation, it was a small operation working out of a converted Detroit wagon shop staffed with about 10 people. ... Consequently, Malcomson left the company and Henry Ford acquired enough of his stock to own 58.5 percent of the company. ... Investors bought $643 million worth of shares, which was 22 percent of what the entire business was worth. ... Later, in 1979, they acquired a 25 percent ownership interest in Toyo Kogyo, which was the maker of Mazda products. ... Another major subsidiary of Ford Motor Company was Aston Martin, which was acquired in 1987 when they...

• Word Count: 3550
• Approx Pages: 14
• Grade Level: Undergraduate

Besides the environmental effects of renewable resources reduce dependence on foreign fuels and precious domestic resources. ... Of course, only a small fraction of these winds could be exploited because of physical constraints on available land and efficiency of energy extraction. ... In most areas, the summer weather reduces wind velocity, but in isolated areas such as Cape Cod, Hawaii and the Pacific coast wind velocities are increased because of sea breezes. These seasonal variations reduce the consistency of wind power as an energy resource. ... Some with rugged design and choice material...

• Word Count: 3789
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate

Conflict is feared and avoided by many managers because they don't know how to deal with it. ... Having an understanding about how people deal with conflict gives us, as managers an additional tool for managing effectively. ... A substantial fraction of workers were asked to leave. ... While more difficult to document, conflict can contribute to wasted time, reduced decision-making quality, sabotage and theft, sick time, and lower job motivation. ... The question to be asked is: how are managers required to resolve conflicts? ...

• Word Count: 5555
• Approx Pages: 22
• Grade Level: High School

Despite calling for a twenty-five percent reduction in federal spending, a balanced federal budget, a stable gold currency, and the removal of government from areas where private enterprise would be best suited President Franklin Roosevelt accomplished neither. ...

• Word Count: 7038
• Approx Pages: 28
• Grade Level: Undergraduate

Despite calling for a twenty-five percent reduction in federal spending, a balanced federal budget, a stable gold currency, and the removal of government from areas where private enterprise would be best suited President Franklin Roosevelt accomplished neither. ...

• Word Count: 7034
• Approx Pages: 28
• Grade Level: Undergraduate

The scientific revelations, due to scientific devices installed on rockets, balloons, and satellites in the late 1940's through the early 1960's produced enough interest to indicate how much there was to discover in space. ... In 1975 the European Space Agency joins the project, and the size of the telescope is reduced to 2.4 meters. ... Scientist believe that the finding of Boron may lead to understanding events during the birth of our own galaxy and it may alter some information to the Big Bang theory of how the universe was formed. ...

• Word Count: 3931
• Approx Pages: 16