Grade 10 Biology Revision Guide Characteristics of Living Organisms Nutrition: Respiration: Excretion: Sensitivity: Movement: Homeostasis: Reproduction: Growth: Taking in food for growth and releasing energy. Burning glucose to release energy. Removing waste material like urea formed during chemical reactions. Responding to changes in the environment. Transport inside cells and moving the body. Control their internal conditions. Increasing the number of organisms. Increasing the number of cells
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BATTERIES What is a battery? A battery is a container consisting of one or more cells carrying an electric charge and used as a source of power. SECONDARY BATTERIES * rechargeable * high cost (short-term) low cost (long-term) * used in objects with high energy requirements: e.g. mobile phones‚ power tools * require special handling‚ containment & disposal * limited interchangeability * long life time * produce smaller amount of waste (flat discharge curve)
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the effect of paper thickness on the distance covered by a paper plane. Hypothesis The thinner the paper the further the paper plane would glide so it would cover a larger distance. This is because of the smaller gravity force acting on the paper plane made out of the thinner paper‚ since the mass of this plane is smaller. Apparatus Tape measurer Blue tack 6 sheets of different types of paper (office paper‚ paper towel‚ cardboard of different thickness and recycled paper) Method 1
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Does Price Indicate How Absorbent Paper Towels Are? Problem statement: The purpose of this experiment is to determine if the price of paper towels reflects the absorbency of the paper towels. Relevance: I became interested in this idea while trying to save money on my grocery bill. If the cheaper paper towels work just as well or better‚ I can save money by purchasing them. The information gained from this experiment can help consumers get the best absorbency for the lowest price. Literature
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IGCSE History Revision Charts 1. Were the peace treaties fair of 1919-21? -The Big Three (USA‚ France‚ Britain) gathered in Paris for the treaty of Versailles -USA believed in self determination at a strong way. -Britain and France wanted to make Germany pay a lot of reparations as well to gain other colonies‚ as a punishment for WWI. France wanted at an alarming rate to punish Germany. -The treaties could be justified because they had to control Germany and make sure it wouldn’t go to
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Reaction Paper on School Etiquette Etiquette is a key of having peace and harmony‚ in every time and every place one should observe order and rules. Since we enter school we are bound to obey rules and regulations of the institution we are with. Badly some of us know the rules yet we do not obey it. Some of the etiquette we should observe is always be on time‚ as a student we should always be on time‚ we should practice not to be late. As a student we should not act like barbaric people‚ when
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Dickens comedy in The Pickwick Papers The Pickwick Papers has been one of the most read and most popular novels of all time since its publishing in 1836. This novel exalts the joys one can live as Dickens portrays the pleasures of travel‚ food and drink‚ companionship between men‚ benevolence‚ the joys of youth and romance. While the novel primarily deals with issues of a serious nature‚ they are disguised and portrayed to the readers in the guise of comedy. Dickens manages to blend these serious
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Which Paper Towel is Stronger and Has More Absorbency? Decorator or Sparkle? Introduction Paper towels are made from softwood trees which contain long fibers. The tree goes thru several processes before it is actually turned into a paper towel. The paper towel is made from pulp in which the water is removed and the fibers then bond into sheets. Also‚ resin is added to the process to give the paper towel strength (Union). Several layers are then put together with adhesive and then formed into
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HOW TO WRITE A TERM PAPER. By Mchilo‚ Shecland. The University of Dodoma. Tanzania. This guide covers what a term paper is‚ how to form a title for your term paper‚ how to decide what to put in your paper‚ how to conclude your paper and even how to reference your paper correctly. What is a term paper? A term paper is a research project that you will be asked to complete at university‚ following the analysis of various texts and publications on a specific subject (often over the course of a term
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Relevance Of Federalist Paper 51 In the 1700’s our founding fathers wrote many documents to control the government in their time and make it better for the future. One of the most influential groups of essays written are the Federalist Papers. Written by Alexander Hamilton‚ James Madison and John Jay these papers were made to promote the ratification of the Constitution of the United States. SInce the papers were written such a long time ago‚ some have become outdated and are no longer useful in
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