Science Essays
4,476 Science Free Papers: 1,291 - 1,320
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Effects of Outsourcing American Jobs to Foreign Countries
Job outsourcing to foreign countries 2 Effects of Outsourcing American Jobs to Foreign Countries The nation's economy will be adversely affected in areas such as unemployment, Social Security, and even retirement benefits, by the outsourcing of American jobs to foreign countries. This country needs to take a look at
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Effects of Salt on Freezing Point of Water
Blank 1 Blankity Blank Blankity Blank Mr. Blank 4/9/02 Effects of Salts on the Freezing Point of Water In this experiment, you will study the effect that several solutes have on the Freezing Point of water. When a solute is dissolved in a liquid, the temperature at which that
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Effects of Smoking on the Unborn
The Effects of Smoking on the Unborn There are many risk factors concerning the effects of smoking and the unborn. Medical evidence has established that smoking during pregnancy increases the risks of miscarriage, growth retardation, premature birth, low birth weight, and sometimes even death of the newborn. In April 1995,
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Effects of Swing Length, String Length, and Weight on a Pendulum Swing
Abstract A pendulum was constructed and altered with differing weights, swing lengths, and pendulum lengths. The period for each variation was recorded and compared to find the factors that affected the length of the period. It was concluded that the length of the pendulum was the determining factor for the
Rating:Essay Length: 583 Words / 3 Pages -
Effects of Temperature and Ph on Catalase Activity
Effects of Temperature and pH on Catalase Activity INTRODUCTION Enzymes are organic catalysts that spur metabolic reactions. The presence of an enzyme within a cell is essential in order for any sort of reaction to take place. All enzymes are complex proteins that act in an organism's closely controlled internal
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Effects of Tobacco Smoke
Effects of Tobacco Smoke Smoking KILLS Every year hundreds of thousands of people around the world die from diseases caused by smoking. One in two lifetime smokers will die from their habit. Half of these deaths will occur in middle age. Tobacco smoke also contributes to a number of cancers.
Rating:Essay Length: 312 Words / 2 Pages -
Effects on the World
Man has had many far-reaching effects on the environment over the years. Global warming, pollution and the damage to the ozone layer are a few of the major things that can be heard about in the news. Man has damaged the earth gradually over the years and this damage cannot
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Efficacy of Field Goal Attempts in Ruby League
Efficacy of Field Goal Attempts in Ruby League The synopsis for this report is to assess the efficacy of field goal attempts by systematically manipulating the control parameter (independent variable) of distance. The dependent variable which will be measured to demonstrate the potential change in the athlete’s performance is the
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Efficacy of Homeopathy
"Homeopathy is a fanciful doctrine, which maintains that disordered actions in the human body are to be cured by inducing other disordered actions of the same kind, and this to be accomplished by infinitesimally small doses" (McSherry 89). The fundamental principle of homeopathic treatment is the axiom similia similibus curentur,
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Effincie of a Propellor (in Dutch)
Inhoudsopgave Hoofdstuk 1: Inleiding 1.1 Hoofdvraag 1.2 Deelvragen 1.3 Werkwijze 1.4 Bouwen van de opstelling Hoofdstuk 2: De Propeller 2.1 Geschiedenis propeller 2.2 Techniek gebruikt bij een propeller 2.3 Praktische toepassingen van de propeller Hoofdstuk 3: De invalshoek van de rotorbladen 3.1 Meetwaardes 3.2 Grafiek 3.3 Conclusie Hoofdstuk 4: Het
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Eggs Case
"A ""A Hne"A hen is only an egg's way of making another egg." ~ Samuel Butler making another egg." "Besides for being a staple ingredient in cookie dough, we like eggs because there's lots of science involved with them." ~Blake Rider One of the most notable characteristic of an egg
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Egyptian Math
Taras Malsky MT.1102 AB Dr.S.Washburn Egyptian Math The use of organized mathematics in Egypt has been dated back to the third millennium BC. Egyptian mathematics was dominated by arithmetic, with an emphasis on measurement and calculation in geometry. With their vast knowledge of geometry, they were able to correctly
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Einstein's Dreams
Alan Lightman's "Einstein's Dreams" "For those of us who believe in physics, this separation between past, present, and future is only an illusion, however tenacious." Albert Einstein For sure, one of the most important and discussed man of the 20th century is Albert Einstein - may be the most
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Einstein's Theory of Special Relativity
In 1905, Einstein's Theory of Special Relativity was proposed. The reason that it is so "special" is because it was part of the more complex and extensive Theory of General Relativity, which was published in 1915. His theory reshaped the world of physics when it contradicted all previous laws of
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El Nino
We live on an incredibly large planet. Even broader than the size of the planet are the amount of changes and relationships between humans, animals, environment, weather, and the affects of each. Many times with busy schedules and modern lifestyles we forget the interaction that goes on between any number
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Electrical Circuits
* Light propagation is simply described by a ray which indicates a path of light energy. * Voltage is the enery per unit charge created by charge seperation. v=dw/dq ----> v= The voltages in volt (V) w= The energy in joules (J) q= The charge in coulombs(C) * Current is
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Electricity
In today's culture, electricity is a vital part of functioning as a society. Simple tasks, such as waking up at a designated time or enjoying a piece of music, are accomplished currently via electronic means. One only needs to consider the consequences of a relatively short power outage - factories
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Electro Magnetic Spectrum
What happens when you take two natural wondering parallel lines and force them to turn whilst still parallel? In a two dimensional perspective you will see two overlapping waves with a positive and negative parabola opposite from one another. In reality we would see a spiral. Imagine that these
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Electro Technology
Electrotechnology Lab Report Aim: To investigate and analyse single-phase transformers in a circuit Objectives: To determine the approximate equivalent circuit of a single-phase transformer so the transformer can be modelled, predicted and analysed. Equipment: * TecQuipment electrical machines teaching unit NE8010 or NE8013 * B-phase transformer (EMTU-TT01) * One Hameg
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Electromagnetic & Mechanic
turn led to Maxwell's equation. In this picture electromagnetic field is supposed to surround every electric charge and when the charge moves, the propagation of disturbance in the field was described by waves. The finite velocity of propagation of electromagnetic field was identified with the speed of light. In
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Electromagnetic Waves
Electromagnetic Waves Although you might not know it you’re constantly surrounded by thousands of electromagnetic waves every day. Sunlight and x-rays are only two types of electromagnetic waves, other types are: radio wave, infrared rays, ultra-violet rays and gamma rays Nature of an electromagnetic wave Electric and magnetic fields are
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Electromotive Force
ZiQing XU Queenie Physics SZ-17-0013 Final Report Introduction and theory All sources of e.m.f. (Electromotive Force) have internal resistance r. For a power supply, this may be due to the wires and components inside, whereas for a cell the internal resistance is due to the chemicals within it. When this
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Electron Arrangement
Electron Arrangement Atomic Emission Spectra * When an element is excited (energy is added to it), it will emit light of a characteristic colour. This colour is a mixture of light energy waves that have different frequencies. Since each frequency represents a different colour of light, the colour that the
Rating:Essay Length: 385 Words / 2 Pages -
Electronic Medical Records
Electronic medical records (EMRs) or electronic health records (EHRs) are computerized medical history of individual patients' diagnoses and treatments. Before meaningful use of EMRs health care providers used paper charting to handwrite all interactions and data pertaining to the patients' diagnoses and treatment. Although paper charting in the past has
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Electrons
The electron is a fundamental subatomic particle that carries a negative electric charge. It is a spin-Ð... lepton that participates in electromagnetic interactions, and its mass is less than one thousandth of that of the smallest atom. Its electric charge is defined by convention to be negative, with a value
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Electrons to Quarks
Subatomic Particles: from Electrons to Quarks Rakesh Mohan Hallen Electrons * Can an electron reverse its spin from +1/2 to -1/2 or vice versa? * Why is a magnetic field created by the flow of electrons? * How was an electron born? Why does it move around the nucleus? *
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Electrophilic Addition
ELECTROPHILIC ADDITION PURPOSE The purpose of this lab is to learn how to synthesize 2-methyl-2-butene into 2-bromo-2-methylbutane using addition of hydrogen bromide. THEORY Chemical Compound Molecular Formula Molecular Weight Boiling Point Melting Point Density Amylene CH3CH=C(CH3)2 70.13 g/mol 36 oC -134 oC 0.662 g/ml Hydrobromic Acid HBr 80.91 g/mol 126
Rating:Essay Length: 668 Words / 3 Pages -
Electrostatics Lab Report
Akhil Kumar, Phy 122- L02 Submitted to: Kevin Douglas ELECTROSTATICS Aim: The of this lab is to find the aspects of electric charge and calculate the value of Q, and check the amount of charge present on the pith ball. Abstract: This experiment is combination of 5 exercises and all
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Element Iron
Iron comes from the Latin word ferrum. From ferrum its symbol became Fe. The atomic number of iron is 26, and its atomic weight is 55.845. Iron is a magnetic, bendable, shiny white metallic element. Pure iron has a hardness that ranges from 4 to 5. It is soft and
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Elements and Their Compounds
Elements and compounds are a result of the actions of the valence electrons. There are three types of bonds that I have learned about in the bonding comparison lab. These bonds include ionic, polar covalent, and non-polar covalent. Each of these bonds and the element compounds connected to them has
Rating:Essay Length: 309 Words / 2 Pages