For example, uranium-238 has 0.00015 curies of radioactivity per pound (0.15 millicuries), while cobalt-60 has nearly 518,000 curies per pound. ... Radiation Measurements Radioactivity Absorbed Dose Dose Equivalent Exposure Common Units curie (Ci) rad rem roentgen (R) SI Units becquerel (Bq) gray (Gy) sievert (Sv) coulomb/kilogram (C/kg) Following is a list of prefixes and their meanings that are often used in conjunction with SI units: Multiple Prefix Symbol 1012 tera T 109 giga G 106 mega M 103 kilo k 10-2 centi c 10-3 milli m 10-6 micro µ 10-9 nano n Conversions Conversi...

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Children often have trouble understanding that the amount of material in something does not change when it's shape changes. ... The most common unit of mass is the kilogram. The most common unit of weight is the pound. ...

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• Grade Level: High School

As per, "Iowa Diary to Focus on Extracting Human Protein from Genetically Modified Cows," which, under the current program, they are producing 80 Kilograms (175 pounds) of human serum albumin a year. ... If scientists are successful in providing organs for transplantation, blood disorders, and curing diseases, it would change our world forever. ...

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The origin of this system is the origin of its problems; the customary system has emerged as the result of millennia of gradual changes, and at every step along the way, it was tailored as deemed appropriate. ... For instance, the avoirdupois pound weighs sixteen ounces, while the apothecary pound weighs just twelve ounces. ... The gram is the base unit of mass, so the decagram is tenfold larger, with the hectogram one hundredfold larger and the kilogram one thousandfold larger (Deming 78). ... A kilogram is one thousandfold larger than a gram just as a kilopascal is one thousandfold larger...

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• Grade Level: Undergraduate

On average, a male polar bear generally weighs about 770 to 1,500 pounds, but have been weighed in once at a high more than 1,760 pounds. The average female weighs anywhere from 330 to 720 pounds, sometimes breaking 1,000 pounds while pregnant. ... A tall and built structure is not something that comes quickly to the polar bear, for when they are born they weigh less than a kilogram and are only about twenty-five centimeters long. ... The polar bear continues to live its life mating, hunting, and changing until it reaches the mid to late twenties where their life usually ends. ... In the...

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• Grade Level: High School

In a modern coal plant the combustion of one pound of coal produces about 1 kilowatt-hour (kWh) of electric energy. The fissioning of one pound of uranium in a modern nuclear power plant produces about 3 million kWh of electric energy. ... Exposure to doses of radiation too low to destroy cells can induce cellular changes that may be detectable clinically only after some years. ... Radiation doses are measured in grays or rads, 1 gray being equal to the dose absorbed when one kilogram of matter absorbs one joule of ionizing radiation, and 100 rads being equal to 1 gray. ... The ore is concentr...

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• Grade Level: Undergraduate

Behavior changes are effective preventative strategies that could help reduce the risks of anencephaly. According to the American Pregnancy Association, a healthy weight gain during pregnancy is "25-35 pounds if you were a healthy weight before pregnancy, with a BMI of 18.5-24.9, 28-40 pounds if you were underweight before pregnancy with a BMI of less than 18.5, 15-25 pounds if you were overweight before pregnancy with a BMI of 25-29.9, 11-20 pounds if you were obese before pregnancy with a BMI of over 30 " (2012). ... Worldwide, an estimated 1.6 billion adults (aged 15 years and older) were o...

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• Grade Level: Undergraduate

The average consumption for a seventy-kilogram male is two grams per day. ... Changes in anaerobic and aerobic metabolism creatine supplementation were enough to warrant further investigation. ... Over the first few weeks, one can expect to put on an average of about ten pounds. Of this ten pounds, only 3-4 pounds will be due to increased muscle size, while the extra 6-7 pounds will be attributed to water weight (1,3). ...

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Reactor fuels costs per one kilogram of uranium is approximately 2,360 dollars, which is a third of coal fired plants and nearly a quarter of gas fired plants[Eco14]. ... Even though the actual energy sunlight that transmits to solar panels does not produce hazardous waste, the production of solar panels created approximately twelve point five million pounds of hazardous waste between 2007 and 2011[Nuc131]. ... Most radioactive waste is stored is special containers on the plant site or sent to waste reserves in Wyoming and New Mexico, containing 227 million pounds of waste[Nuc13]. ... So th...

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• Grade Level: Undergraduate

Body Mass Index is calculated by pounds in kilograms divided by the square of height in meters. ... Well a few things have changed since then, cellphones were invented, more video games have been created, crime rates have increased, schools have made budget cuts, and less time has been spent among families. ... Times have changed since older generations of children and teenagers, many children now spend most of their leisure time with a piece of technology. ... Schools are slowly trying to introduce food education but not quickly enough to change statistics. ... The Health Corps nutrition work...

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• Grade Level: High School

There are a variety of different ways of combining weight and height to estimate body fatness, but the most common is to divide the weight and in kilograms, by the height in meters multiplied by itself. ... Researchers found a 5% increase in the risk of heart risk of heart failure for men and a 7% increase for women for each BMI increase of 1 kg/m^2, which is approximately 5 pounds for an individual of average height (Goran, 1998). ... This measurement doesn't work well when a person is changing their height over time, so it cannot be used to gauge the body fatness of children, who chan...

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• Grade Level: Undergraduate

Current ion engines use xenon as fuel, but the overall design of the engines has not changed since the 1950's. ... DS1 used 72 kilograms xenon propellant that operated for 16,246 hours, and the spacecraft is currently orbiting the sun with the radio transmitters so future generations can contact DS1. ... This engine's output is approximately 1/50th of a pound of thrust with a consumption of about 2500 watts of electricity (?). ... The fuel capacity for DS1, for example, is only 178 pounds. ...

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Brazil became the major producer of gold in the 18th century, shipping more than 170,000 kilograms of gold. ... Some miners used gunpowder to broaden the shafts and tunnels where workers would work grueling hours to pick the loose silver-bearing rocks and carry hundreds of pound of sacks of ore above the ground. ... The discovery of precious metals in Colonial America changed the face of international commerce. ... The Iberian expansion transformed the indigenous cultures by diffusing and mixing them with other cultures, changing the lives of the natives, international exchange of commodities...

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• Grade Level: Undergraduate

If you take the flight, you will create 280 kilograms carbon per 1000 kilometers you fly. ... If the 2 million pounds of carbon fiber scrap that commercial jet manufacturing is estimated to generate in 2014 is recovered, recycled, and substituted for virgin fiber in manufacturing applications, it will save enough electricity to power 175,000 typical homes a year. ... The settings for brightness and color can be changed for boarding, cruise or relaxing. Gradually changing through lighting will help you adjust to your destination time zone in the long time flight. ...

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"According to the Food and Nutrition Board of the National Research Council (who establish dietary recommendations for the population), the body's need for protein is met when protein intake is at 0.8 grams of protein per kilogram of body weight."...

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Temperature Changes: Temperature changes from waste heat discharges (like from a nuclear power plant) can cause pollution. ... Temperature Changes: The temperature of a body of water is changed by waste heat discharges, like that of a nuclear power plant. ...

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Hallucinogens produce radical changes in the mental state, involving distortions of reality and acute hallucinations. ... Objects, as well as the shape of my associates in the laboratory, appeared to undergo optical changes. ... Some other side effects are general change in consciousness, increased appetite, slowness, tiredness, blood shot eyes, mouth dryness, interrupts linear memory, difficulty following a train of thought and short term memory loss. ...

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More than 100 billion kilograms of them are shipped around the world every year, delivered to processing plants and then heated up, treated with other chemicals, stretched and moulded into our familiar products, containers and packaging " (Grant, Richard). ... The dash for trash at the Beachcombers Fair one year surrendered 1,500 pounds of litter collected by 19 people in two hours. Among these pounds of trash were "Thousands of plastic parts from spent fireworks, screw-cap rings, beer bottles, single-cigarette cases, plastic oyster spacers, Styrofoam buoys, fishing gear, fluorescent tube ligh...

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The government of the UAE has stated that children are not allowed to ride racing camels and that the jockey must weigh at least 100 pounds. There are children as young as three and as light as four kilograms. ...

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Big business will stay away from having to make any changes and they are not small ones as an article from The Guardian states "and even positive developments, like the growing use of renewable energy, can lead to instability as coal producing areas will need new economic lifeblood"( Larkin). ... These companies are issued a set number of carbon credits issued by their country of origin and regulated by the United Nations Framework on Climate Change, if this company uses their annual use of carbon waste the must purchase more. ... Each year hundreds of pounds of plastic waste ends up...

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Laboratory animals (rats, mice, dogs, monkeys) can tolerate doses of up to 1,000 mg/kg (milligrams per kilogram). ... Seventy grams of marijuana is close to three pounds and by the time anyone could ingest or smoke that much their THC levels would already be dropping making it practically impossible. ...

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First thing you must know is what is solid and hazardous waste is and how much is produced each year. Solid Waste is any material that is discarded because it has served its purpose or is no longer useful. The United States produces 33% of the world's solid waste. With most of it coming from mim...

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The Apollo program was designed to make history; land a man on the moon for the first time. It was a race to the moon involving Americans and Russians. "I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the moon and returning him safely to the earth" this speech from President John F. Kennedy on May 25, 1961, marked the official start of the Apollo program. The space race is one of the most important reasons that a lot of money has been spent on space research over few a decades. ...

• Word Count: 5000
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• Grade Level: High School

To Feed Or Not To Feed: That Is The Question SHARK!!! . . . What is the first thing that comes to mind when people hear that word. They probably think of a huge, man-eating, great white shark chomping on some unsuspecting swimmer. Why do people react to the word shark that way. ...

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