Science
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.
4,609 Essays on Science. Documents 2,101 - 2,130
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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
Rating:Essay Length: 734 Words / 3 PagesSubmitted: December 5, 2016 -
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
Rating:Essay Length: 350 Words / 2 PagesSubmitted: December 2, 2009 -
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,
Rating:Essay Length: 1,263 Words / 6 PagesSubmitted: November 15, 2014 -
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
Rating:Essay Length: 1,346 Words / 6 PagesSubmitted: February 2, 2010 -
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
Rating:Essay Length: 1,669 Words / 7 PagesSubmitted: April 26, 2010 -
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
Rating:Essay Length: 594 Words / 3 PagesSubmitted: January 23, 2010 -
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
Rating:Essay Length: 519 Words / 3 PagesSubmitted: November 29, 2009 -
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
Rating:Essay Length: 772 Words / 4 PagesSubmitted: February 26, 2010 -
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
Rating:Essay Length: 735 Words / 3 PagesSubmitted: November 11, 2009 -
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
Rating:Essay Length: 817 Words / 4 PagesSubmitted: December 17, 2009 -
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
Rating:Essay Length: 392 Words / 2 PagesSubmitted: November 30, 2009 -
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
Rating:Essay Length: 683 Words / 3 PagesSubmitted: January 31, 2010 -
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
Rating:Essay Length: 293 Words / 2 PagesSubmitted: February 10, 2010 -
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
Rating:Essay Length: 436 Words / 2 PagesSubmitted: December 23, 2009 -
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
Rating:Essay Length: 290 Words / 2 PagesSubmitted: November 16, 2009 -
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.
Rating:Essay Length: 351 Words / 2 PagesSubmitted: December 29, 2009 -
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,
Rating:Essay Length: 347 Words / 2 PagesSubmitted: October 31, 2018 -
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
Rating:Essay Length: 769 Words / 4 PagesSubmitted: May 13, 2010 -
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
Rating:Essay Length: 374 Words / 2 PagesSubmitted: January 24, 2010 -
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
Rating:Essay Length: 1,973 Words / 8 PagesSubmitted: November 16, 2009 -
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
Rating:Essay Length: 709 Words / 3 PagesSubmitted: December 11, 2009 -
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
Rating:Essay Length: 357 Words / 2 PagesSubmitted: December 7, 2009 -
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
Rating:Essay Length: 780 Words / 4 PagesSubmitted: May 21, 2010 -
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
Rating:Essay Length: 1,248 Words / 5 PagesSubmitted: November 26, 2009 -
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
Rating:Essay Length: 590 Words / 3 PagesSubmitted: February 28, 2010 -
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
Rating:Essay Length: 822 Words / 4 PagesSubmitted: February 27, 2010 -
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
Rating:Essay Length: 612 Words / 3 PagesSubmitted: November 19, 2009 -
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
Rating:Essay Length: 1,689 Words / 7 PagesSubmitted: December 8, 2015 -
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
Rating:Essay Length: 304 Words / 2 PagesSubmitted: April 29, 2011 -
How to End Global Warming
How To End Global Warming The atmosphere is something that is around us everyday, but do we really think about the changes that occur in it? The current problem that is changing the world over time is Global Warming. Even though the changes cannot be seen in human years, geologically the change is incredible. The emission of gases from burning fossil fuels, cutting down trees, burning oil, gases from factories, and car emissions. Most of
Rating:Essay Length: 589 Words / 3 PagesSubmitted: January 31, 2010