Term Papers on Scuba Diving

Term Paper Title	Scuba Diving
# of Words	2065
# of Pages (250 words per page double spaced)	8.26

Scuba Diving

Scuba diving is a sport in which you can lose yourself to the beauty of
the underwater world and escape gravity for a short time.  You can wander
among kelp forests or swim with sleek noble sharks.  You can find a
fortune in Spanish ducats or lose yourself in the beauty of the underwater
realm.  Some may say though that diving is an extreme sport and that it is
too risky for anyone, it's just for the wild hooligans.   Scuba Diving is
a safe and enjoyable hobby despite the small risk involved.  Haven't you
ever wondered what it was like to swim with the fish?  Or see why all of
those people would want to were all that funny looking gear and go under
the water?
     The going below the water is little like being above the water.
While underwater there are forces and laws that dictate how your body will
respond to being under so much pressure.  The first rule regarding the
pressure water puts on the air spaces in your body is Boyles Law.  It says
that as the pressure increases on a given mass of gas the volume will
decrease.  This rule explains the popping sensation you fell when you go
up in an air plain and the squeeze you feel as you go under water (The
Skin Divers Bible 37, 41).  Another law is Dalton's law of partial
Pressure.  It says that pressure of mixed gasses is equal to the pressure
exerted by the individual gas.  So if a mixture of gas is say 5% carbon
dioxide then it would account for 5% of the total pressure of the gas,
because of this law the concentration of harmful gasses must be less when
you are under water otherwise you can be poisoned or experience the
effects of the gas that would only occur at a higher concentrati!
on at sea level (47).  And the last major law that governs you while
underwater is Henry's law.  It simply states that you can dissolve more of
a gas into a liquid at higher pressure and the opposite when you release
some of the pressure.  It is like when you open a bottle of pop, the gas
and pop are pressurized to carbonate it and when you open the bottle
bubble's form, because the pressure isn't great enough to hold it in (48).
     The first thing to consider when weighing the risk of Scuba diving
is how good is the instruction that you need to become certified to dive.
There are several major certification courses and most are recognized
world wide.  The following is An overview of the kind of training you will
receive through the PADI Scuba diving certification course, most all
diving certification courses are similar in content and requirements for
certification.  The first you learn is how to use and wear Scuba equipment
(PADI Open 50,108).  Some of the other skills are that you should never
hold your breathe, how to operate the Scuba equipment, and proper
technique for entering the water all of these basic skills and several
other will be taught to the students by an instructor who has been trained
to teach the skills effectively and to determine wether you are competent
to Scuba dive.  As you progress through the class you are taught in a
classroom setting for about half of the time and then the !
other half of the time is spent in a swimming pool where the students can
master the necessary skills for diving without having the pressure and
risk of being in the open water.
     Near the end of the class the students begin to dive in the open
water with the instructor so that they become acclimated to being
underwater in conditions that are not as secure as say a swimming pool.
With the instructor along side the student the student's fears are quelled
and the student is safer, because if anything were to go wrong the
instructor would be right there to remedy the problem or to assist the
student to the surface.  During the open water dives the student
demonstrates to the instructor that they can handle the conditions and
that the can perform the skills that they have been taught.  Some of the
skills that would have been mastered at this point are.  How to breath
from a buddies spare regulator, in the unlikely event that y...

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