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Science and Nature Term Papers and Reports |
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Natural Forces
646 Words - 3 Pages.... Florida. We drove from Trenton, New Jersey all the way to Florida where my grandfather lived. It was a long trip to undergo, especially being six years old and knowing that my father never stopped the car. By the time we arrived at Fort Myers, it was a beautiful sunny day. The wind was gusting enough to pull my hair back, and I was admiring the palm trees, coconuts, and lizards near the Gulf of Mexico. The first few days were nice, but little did I know that I would soon be caught in the middle of a twister.
I can clearly remember being in the car on a humid day with a little overcast. We were driving in the car when all of a sudden the wind started to pick up and it star ....
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The Big Bang
1136 Words - 5 Pages.... of that early stage rapidly expanded and cooled.
Several million years later, it condensed into galaxies. The universe has
continued to expand, and the galaxies have continued moving away from each other
ever since. Today the universe is still expanding, as astronomers have observed.
The Steady State model says that the universe does not evolve or change in
time. There was no beginning in the past, nor will there be change in the
future. This model assumes the perfect cosmological principle. This principle
says that the universe is the same everywhere on the large scale, at all times.
It maintains the same average density of matter forever.
There are observa ....
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Who Is Responsible For Cleanup Under CERCLA?
467 Words - 2 Pages.... remedial action.
If potentially responsible parties can be identified, then they can be
held liable for either cleanup costs incurred, or for replenishment of the
Superfund.
Who is a Potentially Responsible Party?
1.) Owners and operators of waste sites.
i) CERCLA actions against dissolved corporations are permissible
ii) If one is the owner or operator, liability may attach even if some other
party in the past placed hazardous wastes there. ( The seller of a foundry was
found liable under CERCLA when it was sold for $25,000, but was appraised at
$200,000, suggesting the decision to sell was for disposal of hazardous
materials.) A vendor is not an owner if it di ....
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What Are The Major Components Of Biological Membranes And How Do They Contribute To Membrane Function?.
2565 Words - 10 Pages.... or
organelles correct functioning, and thus its survival.
Introduction.
Biological membranes surround all living cells, and may also be found
surrounding many of an eukaryotes organelles. The membrane is essential to the
survival of a cell due to its diverse range of functions. There are general
functions common to all membranes such as control of permeability, and then
there are specialised functions that depend upon the cell type, such as
conveyance of an action potential in neurones. However, despite the diversity of
function, the structure of membranes is remarkably similar.
All membranes are composed of lipid, protein and carbohydrate, but it is
the r ....
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Cellular Diffusion
595 Words - 3 Pages.... membrane. There is also the concentration gradient, which relates to the amount of a certain substance inside the cell as opposed to outside the cell. The further down the gradient, the lower the concentration of a substance. This brings into play the processes of diffusion, osmosis, and active transport, all of which involve only small simple molecules.
Diffusion is the movement of a substance from a region of high concentration, to a region of low concentration of that substance. In other words, a movement down the concentration gradient. Osmosis is very similar to diffusion, however it involves the concentration of water. Osmosis, like diffusion, is a passive process, and ....
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Solar Oven
131 Words - 1 Pages.... rather than
reflect it. The glass, double panel, will allow heat to pass through, but not
allow it to escape. The charcoal cubes and shavings will absorb the heat in the
box and store the excess heat allowing the flow to continuously warm the oven.
The tin foil will reflect heat and subsequently heat up the oven. The
polyurethane material will trap the heat inside the oven. The mirrors will help
the heat stay inside the box.
Materials used:
Shoe Box
Tin Foil
Sheets of Glass
Charcoal Cubes and Shavings
Scissors
Glue
Knives
Polyurethane
Non-Glossy, Black Spay Paint
Four (4) Wood Pegs
Mirrors
Sealer ....
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Lasers 4
757 Words - 3 Pages.... photon waves will not be traveling together because they are not being emitted at exactly the same moment but instead at random short bursts. Even if the light is of a single frequency that statement would also be true. A laser is useful because it produces light that is not only of essentially a single frequency but also coherent, with the light waves all moving along in unison.
Lasers consist of several components. A few of the many things that the so-called active medium might consist of are, atoms of a gas, molecules in a liquid, and ions in a crystal. Another component consists of some method of introducing energy into the active medium, such as a flash lamp for exampl ....
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Static Electricity
1062 Words - 4 Pages.... there are two types of electricity, which were later
named positive and negative by Benjamin Franklin. Another idea was that
electric samples of the same kind repel each other, and those of different
kinds attract each other. This later was named the law of electrical
charges, and is essential to the understanding of electricity. A third idea
was that if the distance between electric charges is increased, the force
of attraction or repulsion decreases.
All matter is made up of very tiny particles called atoms. Atoms
are made up of even smaller substances called subatomic particles.
Scientific studies have found that some of these subatomic particles are
charged with electr ....
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