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Science Essay Writing Help
Aquarius
Words: 416 / Pages: 2 .... of the asterism sometimes called the tent, but
is usually called the urn referring to Aquarius.
Skat or Scheat: It comes from the Arabic word for shin and it dates
back to the translation of Ptolemy's Almagest.
Albali: The name comes from the Arabic, which means "swallower"; no one
really knows why the star got this name
Situla: This name comes from Latin and means "well bucket". Situla was
the original Arabic name for the entire constellation Aquarius.
There are three star clusters contained in Aquarius. M2, which was
discovered in 1764, is one that can be seen with a small telescope. A larger
telescope is needed to make out the individual .....
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Chimpanzee
Words: 2281 / Pages: 9 .... chimpanzees near the Ugalla River of western Tanzania
also consume mammals.(Riss, 1990:167) Cannibalism has also been recorded both
in the Budongo Forest, Mahale Mountains and the Gombe National Park.
In Jane Goodall's, May 1979 article in the National Geographic called "Life
and Death at Gombe" it reveals the first time that chimpanzees who were always
perceived to be playful, gentle monkeys, could suddenly become dangerous killers.
"I knew that some of our chimpanzees, so gentle for the most part, could on
occasion become savage killers, ruthless cannibals, and that they had their own
form of primitive warfare."(Goodall, 1979:594) To try and .....
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The Geiger-Muller Tube
Words: 227 / Pages: 1 .... copper
cylinder with a negative charge. A rigid wire with a positive charge runs down
the center of this cylinder. The voltage across the wire and cylinder is kept
just below the point at which a spontaneous discharge, or spark, occurs. When a
charged particle or gamma ray enters the tube , it ionizes a gas atom between
the copper cylinder and the wire. The positive ion produced is accelerated
toward the copper cylinder by the potential difference. The electron is
accelerated toward the positive wire. As these new particles move toward the
electrodes, they strike other atoms and form even more ion in their path.
Thus an avalanche of charged pa .....
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Feeding Yeast
Words: 735 / Pages: 3 .... my comprehension of baking techniques.
Experimentation
For the actual experiment, I used 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 .....
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Landfills: A Growing Menace
Words: 1514 / Pages: 6 .... to close, its elevation will reach 505 feet above sea level, making it
the highest point along the Eastern Seaboard, from Florida to Maine. At that
height, the mound will constitute a hazard to air traffic at Newark airport
[Rathje 3-4]. The area now encompassed by the Fresh Kills (Kills is from the
Dutch word for creek) Landfill was originally a tidal marsh. In 1948, New York
City planner Robert Moses developed a highly praised project to deposit
municipal garbage in the swamp until the level of the land was above sea level.
A study of the area predicted the marsh would be filled by the year 1968. He
then planned to develop the area, building .....
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Endangered Species Study: Jaguars
Words: 431 / Pages: 2 .... deaths that jaguars have
had a part in were to protect themselves from being killed.
Many jaguars just disappear from the pressures of being killed. While the
animal is trying to change habitats they have died. The rain forests that the
jaguars inhabit are being torn down to open up lumbering, farming, livestock
raising, and other activities carried out by humans. Killing a jaguar is taking
away a life that is doing no harm to the eco-system. A jaguars' way of living
is much like that of a human, you don't see jaguars killing humans for their
skin.
III. Any endangered specie, including the jaguar, has many different
alternatives in which the gov .....
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How Mountains Are Formed
Words: 372 / Pages: 2 .... Folded mountains. The Alps formed as the Eurasian plate
pushed against the African plate. Other examples of folded mountains are the
Rockies, Himalayas, Appalayas, and the Andes. Fault-block mountains are
formed when one plate pushes or pulls away from another plate. In the Earth,
hot currents of magma or molten rock may well up and crack the weakened
crust above. As the crust cracks, blocks of rock rise or fall forming
Fault-block mountains. Examples of these mountains are the Sierra Nevada in
California and the Grand Tetons in Wyoming. Dome mountains are formed
by the same kind of molten rock that forms Volcanic mountains. As m .....
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The Role Catalysts In Chemical Reactions, Their Importance In Industry, Problems And New Developments
Words: 1031 / Pages: 4 .... are
produced with the help of catalysts every year. It is therefore logical that
scientists are constantly searching for new improved catalysts which will
improve efficiency or produce a greater yield.
An acidic catalyst works due its acid nature. Catalysts are strong
acids and readily give up hydrogen ions, or protons: H+. Protons can be released
from hydrated ions, for example H3O+, but more commonly they are released from
ionisable hydroxyl groups (R-OH) where the O-H bond is broken to produce R-O-
and H+. When the reactant receives protons from an acid it undergoes a
conformational change, (change in shape and configuration), and becomes a
re .....
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Anti-Matter
Words: 1209 / Pages: 5 .... is no such thing as a negative mass.
The second and more subtle mistake is the idea that anti-water would
only annihilate with ordinary water, and could safety be kept in (say) an
iron container. This is not so: it is the subatomic particles that react so
destructively, and their arrangement makes no difference.
Scientists at CERN in Geneva are working on a device called the LEAR
(low energy anti-proton ring) in an attempt to slow the velocity of the
anti-protons to a billionth of their normal speeds. The slowing of the
anti-protons and positrons, which normally travel at a velocity of that
near the speed of light, is neccesary so that .....
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Plate Tectonics
Words: 819 / Pages: 3 .... the sea-floor spreading hypothesis were: mid-oceanic ridges, deep sea trenches, island arcs, geomagnetic patterns, and fault patterns.
Mid-Oceanic Ridges
The mid-oceanic ridges rise 3000 meters from the ocean floor and are more than 2000 kilometers wide surpassing the Himalayas in size. The mapping of the seafloor also revealed that these huge underwater mountain ranges have a deep trench which bisects the length of the ridges and in places is more than 2000 meters deep. Research into the heat flow from the ocean floor during the early 1960s revealed that the greatest heat flow was centered at the crests of these mid-oceanic ridges. Seismic st .....
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