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Science Essay Examples

Parallelization of Pagerank and Hits Algorithm on Cuda

Page Rank algorithm and HITS algorithm are widely known approaches to determine the importance and popularity of web pages. Due to large number of documents available on World Wide Web, huge amount of computations are required to determine the rank of web pages making it very time consuming. Researchers have devoted much attention In parallelizing…

Biogeochemical Cycles

Take the hydrological cycle, for example, and throw in an area of heavy pollution and we are bound to get a reaction a lot like throwing tennis balls In a dryer. While you might have harmless Intentions. It makes a lot of noise and causes a lot of damage. The biochemical cycles consist of the…

Physics

What is science? Science is a body of knowledge that is ever changing. It is made up of not only facts but also theories that are made up of well-tested hypotheses. 2. Dullness’s among the scientific fact, hypothesis, law and theory As stated above, a theory Is made up of well-tested hypotheses, which In themselves…

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Nature, Nurture, and Human Diversity

What makes you, you? Is who we are the result of our genes (nature) or is it the result of our upbringing (nurture)? Nature: the result of our genes Nurture: everything else other than genes, the culture you were brought up in, the country and family you were brought up In, the school you went…

Acids, Bases & Buffers

To measure the buffering capacity of two types of Isotonic drinks. Introduction: There are acid-forming. Basic forming and neutral food, however the acid or alkaline properties of a food is unable to judge by the actual acidity of the food itself. For example, citrus fruits such as lemon are acidic, but they are alkaline-forming when…

The study of a panda

The panda is black and white, like a bear in shape, but different. Things to remember in the last hour before the exam: Life processes at the cellular level (This is not a revision sheet – you’ve done that by now – It’s a list of things you might want to remind yourself about 1….

Mathematics is at the heart of nature

When the words ‘mathematics’ and ‘nature’ are put together in the same sentence, amongst the first things that comes to mind are the Fibonacci sequence and The Golden Ratio, two of the most mundane examples where mathematics and nature seem to entwine. But are we really looking at examples where mathematics decrees the way in…

The Pygmy Chain Sword Plants

Understanding the process of photosynthesis is also vital in other areas, such as medicine, agriculture, energy production, and even electronics. In medicine, since light has extremely high energy content, sometimes it can cause damage to living organisms such as skin cancer and skin aging. To combat the high-energy content, plants developed photoprotective mechanisms to limit…

Daphnia magna

This chapter provides an overview of the biology of waterless of the genus Daphnia. It describes basic aspects of Individual physiology and nutrition, Including some remarks about Immunity. It summarizes the typical life cycle and development of Daphnia. The modes of reproduction and the induction of resting egg production in cyclic and obligate parthenogenesis forms…

Amplitude and period relationship

Oscillation is a motion, which repeats itself. A simple harmonic motion is when object moves back and fourth within a stable equilibrium position. In a perfect situation, where friction plays no part the ball will continue oscillating continuously. However in real life this is not possible, instead objects face damping due to friction. Any system…

The relationship between the angle of a slope incline and the acceleration

As the angle of the slope incline increases, the acceleration of the model cart moving down it will also increase. I have predicted that acceleration is directly linked with the angle of the slope on which the object is moving. When coming up with this hypothesis, I asked myself the following question, “what forces actually…

The Refraction of Light Lab

The results we obtained show that on average, we calculated a sin i over sin R to be 1.34 units. Also we can say that as the angle of incidence increased, the angle of refraction tended to increase proportionally. As the sin of i increased, the sin of R also increased. Below you can see…

The letter box

John Searle’s ‘Chinese room’ argument attempts to explain the difference between working machines and the human mind. Let us imagine that an English speaking man who knows no other language has been put in a small room. On the wall is a letter box and on the floor is a book of rules and a…

Does the Mass of a Material Affect it Aerodynamics?

Does the Mass of a Material Affect it Aerodynamics? There are five basic steps of the scientific method, step one Is to make observations step two is to come up a hypothesis. Step three is to make a experiment to test the hypothesis, step four Is to test the hypothesis and step five Is to…

Experiment Onion Cell-Biology

Obtain a sheet of lens tissue paper with lens cleaning solution and clean all the lenses of your microscope gently. Obtain a microscope glass slide. Hold It by the edges and wet It with water. Wipe both sides dry with a paper towel. Always hold the slide by the edges or you will leave fingerprints…

Gadgets: Time and Elementary Pupils Definition

Terms Addicted. In this study, it means to devote or surrender to something habitually or obsessively, addicted with gadgets. Attribute. This refers to an object closely associated with or belonging to a specific person, thing. Engage. This was used in this study to attract and hold by influence or power. Extreme. In this study, it…

Strong evidence

One definition of knowledge is true belief based on strong evidence. What makes evidence “strong” enough and how can this limit be established? The Oxford Dictionary states evidence as “Anything that gives people reason to believe in something” . This is however incorrect, as one can provide strong evidence and not change people’s beliefs, if…

Micro lab quiz

The Gram Stain Compare and contrast simple and differential stalling techniques. Simple Stalling Simple stalling Is useful In determining the basic morphology of an organism. Simple stalling Involves only one reagent I. E. Crystal violet, basic fuchsia, or methyl blue. Simple dyes used to stain bacteria have a positive charge cationic (+), therefore, they are…

Quizlet

Group of atoms that link together and have the same function Examples of national groups hydroxyl, carbonyl, amino, phosphate, slothfully what is an isomer? Give two examples of isomers.. When a chemical formula is the same but arrangement is different. Ex. ) Structural isomer or Optical isomer what is the difference between structural or optical…

Rational Criticism in Knowledge Claims

Criticism, as proposed by Karl Popper, is “the lifeblood of all rational thought.” At a first glance, one may agree with this because by critically questioning or evaluating the validity of a knowledge claim through reason, it can provide one with certainty and truth. However, the assertion that: “All knowledge claims should be open to…

Disappointment and frustration are all emotions

“A fool sees not the same tree as the wise man sees. “-William Blake. This gives rise to the problem of perception. Different people see and perceive different ideas, objects and items differently, leading to varying beliefs. Perception is basically awareness of things through our five senses; touch, taste, smell, sight and sound. Though perception…

Sodium Borohydride Reduction: Diphenylmethanol from Benzophenone

Megan Entwistle, Maria Amos, and Paul Golubic CHEM 0330 Organic Lab 1 Sodium Borohydride Reduction: Diphenylmethanol from Benzophenone 11/16/11 Introduction Redox (shorthand for REDuction-OXidation) reactions are chemical reactions in which the oxidation state (or oxidation number) of atoms has changed. Oxidation can be observed through the loss of electrons or an increase in oxidation state…

Conservation of Momentum Experiment

Propagation of Uncertainties for Velocity of Pucks for Final Momentum:  Cue Puck: Stationary Puck: Since we have done the have already calculated the percent uncertainty for the velocity of the pucks, we can now add these uncertainties up. Final Percent Uncertainty for Average Initial Velocity of Cue Puck: 1.136…%+0.180…%=1.317% Final Percent Uncertainty for Average Initial Velocity of Stationary Puck: N/A…

Nichrome wire by determining its resistivity

Metals have low resistance due to their delocalized field of electrons. However, different metals have different values of resistance. In this experiment, the students were given a spool of Nichrome wire to determine its diameter. Nichrome, as the name suggests, is an alloy of Nickel, Chromium and Iron. The resistance of a conductor depends on its…

Ap Biology Lab Report 4

Introduction This study was performed in order to gain more knowledge on mitosis and meiosis. This lab was done by observing mitosis in plant and animal cells, comparing the relative lengths of the stages of mitosis in onion root tip cells, stimulating the stages of meiosis, observing evidence of crossing-over in meiosis using Sordaria fimicola,…

Verification Of Kepler’s 3rd law

Research Question: Is it possible to verify Kepler’s 3rd law using a database? Hypothesis: I believe that it is possible to verify Kepler’s 3rd law using a database due to the nature of the law. Kepler’s law states that the square of the time of one orbital period is directly proportional to the cube of its…

Specific Heat Capacity

In this experiment, we are going to use a calorimeter (a solid metal block of aluminium). And we are going to expose it to different temperatures and measure the difference in temperature over time. We will also measure the changes in electric properties from the heater over time: Volts and Amperes. In order to get more…

Translocation

Translocation A. The Munch pressure flow model The Principal of Pressure-Flow Model of Phloem Transport The Munch pressure-flow model is an explanation for the movement of organic materials in phloem . By the Munch pressure-flow experiment, two dialysis tubings are connected by a glass tube. The dialysis tubings only permeable to water or particles which…

Roller Coasters and Their Theory

2010 NAME: CAROLENA SEEREERAM DINESH TEELUCKSINGH DEVIANN SINGH VINCENT BAHADUR KERLON MOORE INSTRUCTOR: MR. RISHI RAMPERSAD COURSE: ENGINEERING SCIENCE COURSE: ENGINEERING SCIENCE CLASS: COMPUTER ENGINEERING (YEAR 1) INSTRUCTOR: RISHI RAMPERSAD GROUP MEMBERS: CAROLENA SEEREERAM DINESH TEELUCKSINGH DEVIANN SINGH VINCENT BAHADUR KERLON MOORE ABSTRACT A roller coaster is an amusement park ride where passengers sit in…

Standing Waves on a String

The objective of this experiment is to study the resonance modes of a stretched string by measuring directly in order to test the theoretical formula which relates the tension in the string to its length, mass, resonance frequency, and mode of vibration. Definition of Standing Waves: An oscillation pattern that has an outline which is resulting from…

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