Science Essays Examples For College & High School Students in PDF

14278 total results

A Lab Report on the Distribution of Heat and Dissolved Oxygen in Pontoosuc Lake and the Profile of Its Stratification (870 words, 2 pages)

Title Pontoosuc Lake and Lake StratificationAbstract The purpose of this lab was to examine the distribution of heat and dissolved oxygen throughout the water column from surface to bottom. We then will take this evidence and examine the profile for evidence of stratification or mixing. We also collected some aquatic ... Read More

A Report on the Large Hadron Collider (LHC) and the Large Hadron Collider Beauty (LHCb) Experiment (395 words, 2 pages)

For this paper I decided to do more research on my initial project which was escaping the universe. There is not much research being done on this, however when I was doing my project I mentioned a bit about the LHC (Large Hadron Collider). As I said in my project, ... Read More

A Lab Experiment to Explore the Fatigue of Muscle Concentration by Measuring Both Metabolic and Electrical Changes Over a Period of Time (1626 words, 8 pages)

Muscle Contraction Lab ReportPurposeThe purpose of this lab is to explore the fatigue of muscle contraction by measuring both metabolic and electrical changes over a period of time. We will fulfill these objectives by measuring a subject's continuous grip strength and repetitive grip strength with a Vernier Hand Dynamometer and ... Read More

A Lab Experiment to Determine the Habitat Preferences of Sowbugs (1954 words, 8 pages)

Habitat Texture Preferences of SowbugsAbstractIn this lab, we experimented to see what kind of habitat sowbugs (Porcellio scaber) would prefer. Sowbugs, a type of Isopod, have gills on the bottom of their bodies and have a diet primarily of plant matter (Aune et al. 2015). We hypothesized the sowbugs would ... Read More

NASA’s Discovery of the Life on Other Planets (743 words, 4 pages)

Does Aliens Exist?We live in a big universe, and to think that there is not life in other planets sounds ignorant. With the technology that we have now it is easier for us to discover more than before. Last summer, NASA announced in a conference that there is life outside ... Read More

The Use of Parallax to Determine the Distance and Absolute Magnitude of Stars (1035 words, 7 pages)

Finding the Absolute Magnitude of Stars through ParallaxBackground InformationParallax happens when an object seen at two different locations appears to be at different positions. It is measured by the angle between the two lines of sight. Foreshortening, the visual effect of an object appearing shorter than it actually is due ... Read More

A Lab Experiment to Determine How the Kidney Reacts to a Change in Water Volume and Solute Concentration in the Blood (1092 words, 4 pages)

Renal Lab ReportObjectivesThe purpose of this laboratory is to explore how the kidney reacts to a change in water volume and solute concentration in the blood. This objective will be accomplished by drinking different amounts of water and of NaCl and analyzing the urine. We hypothesized three different scenarios for ... Read More

A Lab Experiment Using Plasmids to Genetically Transform E. Coli to Express Green Fluorescent Protein (2247 words, 8 pages)

Use of Plasmids to Genetically Transform E. Coli to Express Green Fluorescent ProteinAbstractIn this lab, we tested gene transformation by inserting pGLO plasmid into E. Coli cells to express the Green Fluorescent Protein. We predicted that only transformed E. Coli would grow in the presence of ampicillin and express the ... Read More

A Lab on the Effect of Acid Deposition on Infrastructure and Water Sources in Terms of Ph Change (1858 words, 8 pages)

Acid Deposition InquiryBackground InformationIn recent years, acid deposition has received more and more attention as its harm to the environment becomes obvious. Acid deposition is defined as the accumulation of acids or acidic compounds on the surface of the Earth. It can occur in bodies of water, infrastructure, or plant ... Read More

Quantitative and Qualitative Measurements of the Effects of Hydroxylamine on Catalase Activity (2183 words, 8 pages)

Quantitative and Qualitative Measurements of the Effects of Hydroxylamine on Catalase ActivityAbstract In this experiment, it was tested how the addition of the inhibitor, hydroxylamine, would affect how the enzyme, catalase, acted on Hydrogen peroxide (H2O2). We hypothesized that hydroxylamine would stop a reaction from occurring and lower the rate ... Read More

The Effects of Abiotic Factors on Plankton in Lake Wheeler (2693 words, 11 pages)

Effects of Abiotic Factors on Plankton in Lake WheelerAbstractIn this lab, data was collected from Lake Wheeler to determine how different abiotic factors influence the lake organisms. Abiotic factors tested for were surface water pH, compensation depth, dissolved oxygen, temperature, and coliform bacteria plankton and sediment samples were also collected. ... Read More

The Science of Eugenics and the Creation of Designer Babies (1118 words, 5 pages)

Eugenics Designer BabiesEugenics is, basically, a set of beliefs andor practices that focus on improving the genetic make-up of the human population. This, of course, is directly tied to the idea of designer babies. Eugenics allows us to know certain things about our unborn children such as gender and any ... Read More

An Experiment Analyzing the Effects of Concentration of Solutions in an Electrochemical Cell (2968 words, 12 pages)

Background InformationOxidation-reduction reactions, also known as redox reactions, are chemical reactions that involve electron transfers between two species. Oxidation means that the species lost electrons, and reduction means that the species gained electrons. Oxidation and reduction occur simultaneously. In addition, the substance being oxidized is also known as the reducing ... Read More

A Study on the Dynamics of Interspecific Competition between Oats and Alfalfa (1760 words, 8 pages)

The Dynamics of Interspecific Competition between Oats and AlfalfaIntroductionThere exists an immense set of complex interactions between organisms that exerts profound influences on diverse communities and greatly affect their ability to develop and remain established. These interactions take on a number of forms, from being mutually beneficial, like mutualism, to ... Read More

A Study on the Reducibility of the Human Brain (1375 words, 5 pages)

The (Ir)reducibility of the Human BrainIt is truly a remarkable time to be a scientist. Major breakthroughs in the past century made possible by vast improvements in technology as well as increased insight into scientific procedures themselves have enabled us to learn much more about how the human body functions ... Read More

A Study on Green Fluorescent Protein Functions in E. Coli (1293 words, 5 pages)

Green Fluorescent Protein Functions as a Reporter for Protein Localization in Escherichia coliIn order to study and analyze a wide variety of cellular characteristics, scientists have developed many markers to indicate the presence or absence of certain cellular components and activities. Because of our well-established knowledge of its overall structure ... Read More

The Kirby Bauer Test, a Way to Determine Whether or Not Bacteria are Affected by Antibiotics (754 words, 3 pages)

The Kirby Bauer test is an inexpensive way to test whether not bacteria are affected by antibiotics. This test was conducted on eight antimicrobials to test and compare the effectiveness, susceptibility, and the zones of inhibition. During this experiment Mueller-Hinton agar plates were used for the testing, and the two ... Read More

Physiological Activities of the Body during a Fight or Flight in Response to Stress and Fear (671 words, 2 pages)

NameInstructor ClassDateOne of the first rules of hiking, If you come in contact with a bear, youre supposed to back away slowly, preferably in the direction you came. Walk, don't run, and keep your eye on the bear so you can see how it will react. If, on the other ... Read More

The Consequences of Creating a Race of Super Humans (1879 words, 4 pages)

There are many rumors that on the other planets there may be other existing forms of life. And by thinking that there may be other life out there, people also wondered that they may have a better world than we do. Ever since these question and rumors have been brought ... Read More

An Experiment on the Relationship between Soil Respiration and Salinity (1383 words, 6 pages)

IntroductionThe goal of this experiment was to evaluate the relationship between soil respiration and our chosen variable, salinity. According to the Raich and Schlesinger compilation read for class discussion, human behaviors and their impact on rates of soil respiration have not been recorded well (1992). Temperature and precipitation are the ... Read More

The Life and Works of Wernher von Braun (900 words, 3 pages)

Wernher von BraunWernher von Braun was born March 23rd, 1912 in Posen, Germany. From a young age, it was von Brauns dream to pursue rocket science. By the age of twenty-two, he received his doctorate in physics, and also at that time the Nazis were coming to power. In order ... Read More

A Study on Growth and Developmental Plant Responses to Light and Nutrients (1778 words, 7 pages)

Growth and Developmental Plant Responses to Light and NutrientsIntroductionThis lab illustrated the effects of two factors on plants growth and development. These factors were light intensity and concentration of nitrogen in the root zone. We wanted to determine how plants responded to a series of different treatments by making observations. ... Read More

New Species of Sea Slug Discovered to Have Plant-Like Characteristics (428 words, 3 pages)

EndosymbiosisHomework Assignment 1A new species, referred to as a photosynthetic animal has recently been discovered and it has changed scientists views of the relationships that plants and animals can have. This new sea slug is called Elysia chlorotica and it looks like a mix between a slug and a leaf. ... Read More

An Experiment on the Effect of Blue Light on the Manufacturing and Use of Carbon Dioxide in the Elodea Plant (1441 words, 7 pages)

In the experiment described in the following report, the object of study was the effect blue light has on the production and consumption of carbon dioxide in the Elodea plant. In the control trials, Elodea plants were submerged in CO2 saturated water one was put in a dark drawer, along ... Read More

What We Need to Know about the Relationships among Soil Organisms, Organic Matter, and Soil Chemical Properties (2329 words, 9 pages)

IntroductionThe farm manager of the UNH Organic Dairy Farm (ODRF), Nicole Guindon, needs a further analysis of the soil samples collected around the farm in order to determine which land would be most suitable for pasture. The following analysis will tell us what we need to know about the relationships ... Read More

Past Knowledge Should Be Reinvented or Discarded as New Discoveries in Areas of Knowledge in History and Natural Sciences Advances (1597 words, 7 pages)

That which is accepted as knowledge today is sometimes discarded tomorrow. Consider knowledge issues raised by this statement in two areas of knowledge.As technology has advanced, our ability to make new discoveries in areas of knowledge such as history and the natural sciences has also advanced. However, as new information ... Read More

A Study of the Inner Navigation System of the Human Brain (1281 words, 5 pages)

Fig. 1. An inner map of the human brain. The top plate shows the pattern that grid cells make in the entorhinal cortex. The second plate shows the hexagonal grid that is made by plate cells in the hippocampus. The bottom is a map and the line represents how we ... Read More

A Definition of the Theory of Evolution by Natural Selection (687 words, 4 pages)

AbstractWhat is the theory of evolution by natural selection? Evolution by natural selection is one of the best substantiated theories in the history of science, supported by evidence from a wide variety of scientific disciplines, including paleontology, geology, genetics and developmental biology. (Than) In my opinion, evolution can be defined ... Read More

The Effects of Carbon From Superdeep Diamonds From 2016 (420 words, 1 pages)

New insights from superdeep diamonds from 2016--This article Superdeep diamonds provide new insight into earths carbon cycle was about the carbon cycle and how researchers at the University of Bristol have discovered hidden that extends into the deep mantle by plate subduction, but is still primarily constrained to upper mantle ... Read More

A Dream of a World Without All the Devastating Diseases (4334 words, 15 pages)

What if it were possible to live in a world without many of the most devastating diseases? Despite the enormous amount of debate surrounding stem cell research, the actual benefits are rarely discussed. While noting these benefits, it is important to point out that even with the arguments for and ... Read More

Science Essay Examples