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The scientific world contains a wealth of knowledge that enables mankind to live the way it does. EssaysForStudent.com can help you close the gaps in your knowledge.

4,610 Essays on Science. Documents 2,101 - 2,130

  • How Do We See?

    How Do We See?

    How Do We See? Seeing involves more than opening our eyes. Through simple and fun experimentation the class will learn how the interaction of light, the eyes and the brain create the world we see. How Do We See? Our eyes are constantly feeding information to us. When we are born our eyes need time to get used to seeing and understanding what exactly it is that you are seeing. Given time and experience

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    Essay Length: 683 Words / 3 Pages
    Submitted: January 13, 2010 By: Wendy
  • How Do We Teach Our Children?

    How Do We Teach Our Children?

    Mansi Goel AP Psychology October 31, 2016 How Do We Teach Our Children? Part One: Just as many scientific advancements, the Pavlovian conditioning had been discovered accidentally. He had been looking at salivation in dogs in response to them being fed in which he noticed that dogs would begin to salivate whenever he would enter the room, even though he did not carry food with him. He learned that dogs do not learn to salivate

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    Essay Length: 734 Words / 3 Pages
    Submitted: December 5, 2016 By: Mansi Goel
  • How Do You Feel About Biometrics

    How Do You Feel About Biometrics

    I absolutely love the concept of biometrics fast-easy access to secure areas with personal digital signatures that are extremely difficult to copy. However, if someone REALLY wants access, there is a simple solution. If the device uses retina scans, remove the person’s eyes. If the device uses fingerprints, cut off their fingers. The good news is at least the agencies that need true security will combine biometrics with some of the other tried and true

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    Essay Length: 350 Words / 2 Pages
    Submitted: December 2, 2009 By: Tommy
  • How Does Caffeine Influence Our Brain

    How Does Caffeine Influence Our Brain

    Word Count: 1091 Yiwei Chen Nutrition 11 6/1/14 How does caffeine influence our brain? Since the seventeenth century, tea and coffee have become the most popular drinks as people recognized its ability to foster human’s productivity and cheer the spirits. Caffeine is discovered in a number of plants such as coffee beans, tea leaves, and cocao beans. Caffeine is a naturally occurring chemical stimulant called methylxanthine that can be found in coffee, tea, soft drinks,

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    Essay Length: 1,263 Words / 6 Pages
    Submitted: November 15, 2014 By: Erica Chen
  • How Does Human Activity in Watersheds Affect the Water Quality of Lakes?

    How Does Human Activity in Watersheds Affect the Water Quality of Lakes?

    How does human activity in watersheds affect the water quality of lakes? Water is a vital resource that sustains all living things. In Michigan, people value this abundant resource and are attractive to the thousands of inland lakes which provide aesthetic, as well as recreational opportunities throughout the year. The health of our lakes is directly impacted by the amount of recreational use they receive, shoreline development, and water quality. Water quality covers many

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    Essay Length: 1,346 Words / 6 Pages
    Submitted: February 2, 2010 By: Stenly
  • How Does Temperature Effect Earthworms?

    How Does Temperature Effect Earthworms?

    How Does Temperature Effect Earthworms? Introduction When one thinks of earthworms usually one thinks about slimy and nasty creatures that are only used for fishing. Wrong! If there were no worms on earth, farms and many plants could not be properly maintained. This paper will explain how important earthworms are to the earth and to our environment. In addition, this paper will cover the origin of an earthworm, the anatomy and other important characteristics. Origin

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    Essay Length: 1,669 Words / 7 Pages
    Submitted: April 26, 2010 By: Anna
  • How Does the Amount of C02 Affect the Rate of Photosynthesis?

    How Does the Amount of C02 Affect the Rate of Photosynthesis?

    How does the Amount of CO2 Affect the Rate of Photosynthesis? There are a number of variables that can affect the photosynthesis rate of Canadian water weed (Elodea). They are as follows:  The amount of light: an increased light level increases the rate of photosynthesis to a certain point where at another factor limits the photosynthesis rate.  The temperature: Increased temperature increases the rate of photosynthesis to a certain temperature, after which, essential

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    Essay Length: 594 Words / 3 Pages
    Submitted: January 23, 2010 By: Jessica
  • How Does the Length of a Wire Affect Its Resistance?

    How Does the Length of a Wire Affect Its Resistance?

    How does the length of a wire affect its resistance? Introduction: This first report in Physics will show the investigation of how the length of a wire affects its resistance. For starters I will go through the main definitions, to get a better knowledge of what is going to happen. However I will plan it out first to show each step of how I started, and then go into detail about the results and what

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    Essay Length: 519 Words / 3 Pages
    Submitted: November 29, 2009 By: Tasha
  • How Does the Number of Coils on an Electromagnet Affect Its Strength?

    How Does the Number of Coils on an Electromagnet Affect Its Strength?

    Science Coursework: How does the number of coils on an electromagnet affect its strength? Aim: - To establish whether a variation in the number of coils will affect an electromagnet's strength. Scientific Knowledge: - An iron core wrapped in a series of coils of insulated wire and then connected to a battery, will enable the core to pick up paper clips. This is because the current emitted from the battery to the coils magnetises the

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    Essay Length: 772 Words / 4 Pages
    Submitted: February 26, 2010 By: Tasha
  • How Does the Radius of a Cone Affect the Speed at Which It Travels?

    How Does the Radius of a Cone Affect the Speed at Which It Travels?

    How Does The Radius Of A Cone Affect The Speed At Which It Travels? I will make 5 paper cones one with a radius of 2cm, one with a radius of 4cm, one with 6cm, one with 8cm and a final with cone with a radius of 10cm. I will then drop the cones over a given distance and record the time taken for it to travel through this distance, to see if the radius

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    Essay Length: 735 Words / 3 Pages
    Submitted: November 11, 2009 By: Tasha
  • How Does the Voltage Produced by an Electrochemical Cell Change for Different Volumes of the Electrolytes?

    How Does the Voltage Produced by an Electrochemical Cell Change for Different Volumes of the Electrolytes?

    Redox – Planning Task How Does the Voltage Produced by an Electrochemical Cell Change for Different Volumes of the Electrolytes? Introduction: A simple voltaic cell is made of two half cells. One of these is simply a metal in contact with an aqueous solution of its own ion. What connects the half-cells are the salt bridge and an external wire, which allows free movement of ions. The purpose of the salt bridge is to maintain

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    Essay Length: 817 Words / 4 Pages
    Submitted: December 17, 2009 By: Steve
  • How Does the Water Temperature of the Frog's Environment Affect Its Physiological Factors?

    How Does the Water Temperature of the Frog's Environment Affect Its Physiological Factors?

    How Does the Water Temperature of the Frog’s Environment Affect Its Physiological Factors? Defining the Problem and Selecting Variables In the investigation of “how does the water temperature of the frog’s environment affect its physiological factors”, the dependent variable is the frog’s physiological factors, the independent variable is the water temperature of the frog’s environment, and the relevant controlled variable is the frog’s body temperature, heart rate, breathing rate, and blood pressure. The controlled variable

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    Essay Length: 392 Words / 2 Pages
    Submitted: November 30, 2009 By: Tommy
  • How Ethanol Is Made

    How Ethanol Is Made

    Introduction Ethanol is a colorless volatile flammable liquid C2H5OH that is the intoxicating agent in liquors and is also used as a solvent called ethyl alcohol or grain alcohol (Meriam 1). C2H5OH is the chemistry components of ethanol; this means ethanol is made of Carbon, Hydrogen, and Hydroxide. Starch or sugar-based feedstock, such as corn, have been used to produce ethanol and ethyl alcohol since the beginning ventures into value-added processing (How Ethanol 1). The

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    Essay Length: 683 Words / 3 Pages
    Submitted: January 31, 2010 By: Janna
  • How Freshwater Resources Are Affected

    How Freshwater Resources Are Affected

    Wherever it appears and whatever its form, every drop of the world's water is locked into the hydrological cycle. However, the speed of movement of water through different phases of the hydrological cycle varies considerably. The average time a drop of water stays in the atmosphere is about eight days and in a river about 16 days. But this time can run into centuries for a glacier and tens of thousands of years for water

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    Essay Length: 293 Words / 2 Pages
    Submitted: February 10, 2010 By: Fatih
  • How Google Wors

    How Google Wors

    How Google Works If you aren't interested in learning how Google creates the index and the database of documents that it accesses when processing a query, skip this description. I adapted the following overview from Chris Sherman and Gary Price's wonderful description of How Search Engines Work in Chapter 2 of The Invisible Web (CyberAge Books, 2001). Google runs on a distributed network of thousands of low-cost computers and can therefore carry out fast

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    Essay Length: 436 Words / 2 Pages
    Submitted: December 23, 2009 By: Mike
  • How Hearing Works

    How Hearing Works

    How Hearing Works Your ears are extraordinary organs. They pick up all the sounds around you and then translate this information into a form your brain can understand. One of the most remarkable things about this process is that it is completely mechanical. Your sense of smell, taste and vision all involve chemical reactions, but your hearing system is based solely on physical movement. In this article, we'll look at the mechanical systems that make

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    Essay Length: 290 Words / 2 Pages
    Submitted: November 16, 2009 By: Edward
  • How Humans Do

    How Humans Do

    Alexander the Great and His Achievements Alexander the Great was the king of Macedon. Alexander of Macedon, or ancient Mecadonia, deserves to be called the Great. Alexander the Great was considered one of the greatest military geniuses of all times. He was an excellent king, general, and conqueror. During his thirteen-year rule he conquered almost all the then known world and gave a new direction to history. He had established an empire after he died.

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    Essay Length: 351 Words / 2 Pages
    Submitted: December 29, 2009 By: Mike
  • How Is the American Economy Producing Too Many Goods to Consume?

    How Is the American Economy Producing Too Many Goods to Consume?

    1. introduction HOW IS THE AMERICAN ECONOMY PRODUCING TOO MANY GOODS TO CONSUME? 2. Do we consume too much? To some, the answer is self-evident. If there is only so much food, timber, petroleum, and other material to go around, the more we consume, the less must be available for others. The global economy cannot grow indefinitely on a finite planet. As populations increase and economies expand, natural resources must be depleted; prices will rise,

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    Essay Length: 347 Words / 2 Pages
    Submitted: October 31, 2018 By: killer09
  • How Many Wolves Are Too Many?

    How Many Wolves Are Too Many?

    In 1922 the federal government passed a law that allowed wolves in Yellowstone National Park to be hunted. In just four years later the last wolf was hunted. In 1995, the gray wolf was reintroduced to the park. The government started off by introducing 31 wolves in the Montana and Wyoming parts of the park. Now 116 wolves now live and more then 75 pups. The controversy surrounding the reintroduction of the wolves are

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    Essay Length: 769 Words / 4 Pages
    Submitted: May 13, 2010 By: Fatih
  • How Merger and Acquisitions Create Value for the Shareholders of Financial Firms?

    How Merger and Acquisitions Create Value for the Shareholders of Financial Firms?

    How merger and acquisitions create value for the shareholders of financial firms? There are many hypotheses that try to explain the impact of merger and acquisitions on creation of value for the shareholders. Basically they can be divided into two major groups: value-maximizing and non-value-maximizing theories. The value-maximizing theory says that merger and acquisitions create value and positive synergy for shareholders of both bidding (buyer) company and target(seller) companies. It is considered that M&A always

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    Essay Length: 374 Words / 2 Pages
    Submitted: January 24, 2010 By: Mike
  • How Nuclear Power Works

    How Nuclear Power Works

    How Nuclear Power Works Nuclear power plants provide about 17 percent of the world's electricity. Some countries depend more on nuclear power for electricity than others. In France, for instance, about 75 percent of the electricity is generated from nuclear power, according to the International Atomic Energy Agency. In the United States, nuclear power supplies about 15 percent of the electricity overall, but some states get more power from nuclear plants than others. There are

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    Essay Length: 1,973 Words / 8 Pages
    Submitted: November 16, 2009 By: Mikki
  • How one Protein Can Kill - an Examination of Harlequin Ichthyosis

    How one Protein Can Kill - an Examination of Harlequin Ichthyosis

    How One Protein Can Kill: An Examination of Harlequin Ichthyosis An infant born with harlequin ichthyosis (HI) is phenotypically distinguished by a covering of thick scales with deep, red fissuring. Most neonates with this congenital defect are born prematurely and rarely survive beyond their first days outside the womb (Hovnanian 2007). Recent research has determined that the condition is due to a mutation of the gene that encodes for ABCA12 protein. This protein functions in

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    Essay Length: 709 Words / 3 Pages
    Submitted: December 11, 2009 By: Janna
  • How Oxygen Is Transferred in Plants

    How Oxygen Is Transferred in Plants

    Oxygen produced in the plant by splitting the water molecule. Oxygen is a by product of photosynthesis. In the plant oxygen flows out of the stoma. Oxygen is also released through roots. Plants need oxygen for photosynthesis. Plants have adapted to exchange gas such as lenticels. Plants usually don’t use gas exchange at night because they will be wasting c02. Roots are designed to transport water and minerals to the plant. However, roots can also

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    Essay Length: 357 Words / 2 Pages
    Submitted: December 7, 2009 By: Kevin
  • How Physical Activity Can Improve Overall Health and Personal Development

    How Physical Activity Can Improve Overall Health and Personal Development

    How Physical Activity can Improve Overall Health and Personal Development Benefits Of Physical Activity The benefits of exercise extend far beyond weight management. Research shows that regular physical activity can help reduce your risk for several diseases and health conditions and improve your overall quality of life. Regular physical activity can help protect you from the following health problems. Heart Disease and Stroke Daily physical activity can help prevent heart disease and stroke by strengthening

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    Essay Length: 780 Words / 4 Pages
    Submitted: May 21, 2010 By: Max
  • How Scientists Decet Extrasolar Planets

    How Scientists Decet Extrasolar Planets

    EXTRASOLAR PLANETS For hundreds of years, scientists knew nothing of the world outside our little planet earth. Now in the 21st century, science is gathering more knowledge about the depths of the universe than could have ever been imagined. Light years away, bodies outside of our solar system are almost inconceivable, but new technology is allowing us to not only detect these distant planets but also to take pictures of them. In the year

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    Essay Length: 1,248 Words / 5 Pages
    Submitted: November 26, 2009 By: Janna
  • How Tall Can Your Fast Plant Grow?

    How Tall Can Your Fast Plant Grow?

    How Tall can Your Fast Plant Grow? Procedure: During the fast plant life cycle many things were taken into account. The plants all started out as a seed. Data was collected every Tuesday and Thursday after class. The kind of quantitative data that was collected was the height of each plant on the days that we would go in and check them. The qualitative data that was collected was our drawings of the plants. We

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    Essay Length: 590 Words / 3 Pages
    Submitted: February 28, 2010 By: Tommy
  • How Temperature Affects Reaction Rate

    How Temperature Affects Reaction Rate

    Lab Report: How Temperature affects Reaction Rate Aim: The Aim is to investigate how temperature can affect Reaction Rate. The experiment will be performed by heating equally sized and weighted lime stones with equal amounts and concentration of Hydrochloric acid at different temperatures. The temperatures will be 35˚C and 40˚C. We will measure the reaction rates by observing gas release of the reaction between lime stones and Hydrochloric acid. The amount of gas release at

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    Essay Length: 822 Words / 4 Pages
    Submitted: February 27, 2010 By: Mike
  • How to Build a Bomb

    How to Build a Bomb

    This is about how to make a fun and easy explosive/flamethrower with only Drano(R) and aluminum. Aluminum + Drano This is probably the safest explosion you'll get from me, and probably the simplest to perform. It basically involves putting aluminum foil in a bottle, drowning it with Drano, and letting the reaction proceed. Materials -Drano (easily bought at a local supermarket or anywhere that sells drain un-cloggers) -Aluminum foil (or anything aluminum, but aluminum foil

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    Essay Length: 612 Words / 3 Pages
    Submitted: November 19, 2009 By: regina
  • How to Cincai Do Your Work?

    How to Cincai Do Your Work?

    Academic research skill individual assignment Name: Daniel See Kok Han TP038698 ________________ Contents INTRODUCTION LITERATURE REVIEW METHODOLOGY RESULT AND DISCUSSION CONCLUSION REFERENCING ________________ INTRODUCTION According to Yacizi statement on 2010, we know that the research in J8 was on the relevant effect of factors and persons in college major choice in Turkey. Since the early 1960s, majority of context of the US educational system, few research have been done to develop models that uncover issue

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    Essay Length: 1,689 Words / 7 Pages
    Submitted: December 8, 2015 By: Hahn Yu
  • How to Draw Human (femal) Body

    How to Draw Human (femal) Body

    How to Draw Human (femal) Body I am going to begin this tutorial by addressing one of the most commonly asked questions that I receive: how to draw women's breasts (heh, I never thought I'd actually be making a tutorial about this. One of the most important things you should consider is to make your subject look natural; you can draw an attractive female without making her look like a "silicon implant ad," as a

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    Essay Length: 304 Words / 2 Pages
    Submitted: April 29, 2011 By: daiserro
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