... the experiment with the milk jug and the hot water is that the milk jug will remain the same. 3) the experiment with the egg and the bottle is that the egg will not be sucked in the bottle. PROCEDURE: For the first experiment the procedure is: 1) Heat an ordinary pop can on a hot plate. 2) After about fifteen minutes take the can off the hot plate and put it upside-down in a pan of cold water. 3) Record my observations on a piece of paper. 4) Write my conclusions in my science fair logbook. For the second experiment my procedure is: 1) Get an empty gallon milk jug at room temperature. 2) Heat to water to just before the boiling point on a ...
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... those who cannot sleep at all; other are willing to categorize cs as all those who merely complain about their sleep. The currently accepted definition, to become known as DIMS (Difficulty Initiating or Maintaining Sleep). Several surveys have tried to pin down the exact cause of sleep problems. Of 1,000 households, one third had someone with current problems and in 42 percent someone had suffered from sleep disorders at sometime. Some doctor's polls have been revealing yet somewhat disparate. In one survey, roughly 19 percent of the patients seen by the 3,000 doctors had complaints of some type of . That figure may actually understate the case, for some say ...
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... justified for the first time convincingly by physical experiment. They sang success at the annual Cavendish dinner. Armed with the electron, and knowing from other experiment that what was left when electrons were stripped away from an atom was much more massive remainder that was positively charged, Thomson went on in the next decade to develop a model of the atom that came to be called the "plum pudding" model. The Thomson atom, "a number of negatively electrified corpuscles enclosed in a sphere of uniform positive electrification" like raisins in a pudding, was a hybrid: particulate electrons and diffuse remainder. It served the useful purpose of dem ...
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... ways constituting whether Darwin's theory of "survival of the fittest" can be taught in schools, versus religious belief of Divine creation. From 1920 to 1986 the argument continues in the courtroom, and many, many books have been written debating the issue. Let us look at the three theories in depth. The evolutionist theory made known by Charles Darwin, states that humans came from his theory “survival of the fittest.” Charles Darwin based his theory on individual chances that determined the fate of the species. “Charles Darwin as we recall based his explanation of natural selection among individuals with equal chances of survival upon the following principles. The ...
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... vital theoretical connection between atomic weights and weight relations in chemical reactions. He was the first to associate the ancient idea of atoms with stoichiometry. The existence of atoms was first suggested more that 2000 years before Dalton's birth. (Newton's speculations about atoms in the Principia were carefully copied by hand into Dalton's notebooks.) Atoms of an element cannot be created, destroyed, broken into smaller parts or transformed into atoms of another element. Dalton based this hypothesis on the law of conservation of mass and on centuries of experimental evidence. Some of the details of Dalton's original atomic theory are now known to b ...
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... and a half feet. The largest bird is a bird that cannot fly, the ostrich. Ostriches can stand almost eight feet high and can weigh near 350 pounds. Other extinct birds have been measured to stand over ten feet high. The evolution of birds is still being argued. Most people believe that birds evolved from reptiles. Because of birds mainly delicate bones, few fossils have been left behind for scientists to study. The earliest bird fossils come from archaeopteryx. The fossils that have been discovered from archaeopteryx include six partial skeletons and one single feather. Archaeopteryx , unlike modern birds, had teeth, a reptile like tail, and three claws on eac ...
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... also stated that Mycoplasma fermentan was “the most poorly studied bug on the list (Sinha 70).” Nicolson has found that the M. fermentans is nested inside the cells of almost half of all cases. Sinha defines Mycoplasmas as “the smallest self-replicating life form that latch onto white bloodcells, which are part of the body’s disease defenses, with a hooklike tip; then they transmit chemical signal that force blood cells to behave abnormally (Sinha 70).” Mycoplasmas can be difficult to detect, for they burrow deep inside cells. If there was a definition for it would be a disease found after the Gulf War which is related to Mycloplasm ...
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... large task and with Russia's worsening economy, smuggling of nuclear material will continue. During the Cold War the security of Soviet nuclear weapons and missile materials was based on a highly centralized military system and operating within a strong political authority. The workers back then where well disciplined and each individual new his/her role. The workers were among the best treated and loyal to the Russian military. They are now suffering hardships and are forced to scavenge anything to pay for their food, rent and social services. A new trend is already occurring with some of the workers . There are those that will seek employment out of the ...
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... four (4) ICB root beer bottles, 4 balloons, yeast and the yeast foods- corn syrup, flour/water, gelatin, and grape juice. The yeast was a solution-6¾ teaspoons of yeast per cup of very warm (105° to 115°) water. Into all four bottles I put four tablespoons (tbsp.) of the yeast solution. Put ½ cup of corn syrup into bottle one, along with the yeast solution. Into bottle two goes ½ cup of water and ½ cup of flour, and the yeast solution. Next, mix the gelatin according to directions on the package, about one-tablespoon of powder to ½ cup of water. The ½ cup of the gelatin goes into the 3rd bottle, along with 4 tbsp. of the yeast solution. Into the 4th and fin ...
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... Atlantic to start their new life in America. Uncontrolled burning of the forest was done to make way for the intruders’ villages, towns, and cities. Once estab-lished the settlers needed more room for farms and bigger cities so again they pushed into the forest causing the Na-tive Americans and the wildlife to withdraw further into interior of the continent. Let us move forward a hundred or so years in history the settling of the American Great Plains. One of the big-gest violations of the environment was taking place, the buffalo hunters, and the extermination of the Native Ameri-cans and their culture. The Great Plains, before the arri-val of the buff ...
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