SHAMINMENISHA How Water Rockets Work A water rocket works using the same principles as other rockets. There are three main forces in action: thrust (Fapp)‚ drag (Ffr) and weight (w=mg). The water‚ which is forced out by the difference between internal and atmospheric pressure‚ is a reaction mass that provides the thrust. All rockets have a reaction mass‚ which can vary from hot gasses that are expelled when a fuel is burnt (in the Space Shuttle’s SRB’s for example) to water in a water rocket. The
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How Does the Thermometer Work? A thermometer is a device that measures the temperature of things. The name is made up of two smaller words: "Thermo" means heat and "meter" means to measure. You can use a thermometer to tell the temperature outside or inside your house‚ inside your oven‚ even the temperature of your body if you’re sick. One of the earliest inventors of a thermometer was probably Galileo. We know him more for his studies about the solar system and his "revolutionary" theory
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viruses that affect certain type of organisms. One of many different viruses that can affect different organisms is the virus called rabies. Since Rabies is spread through a virus‚ we will discuss how viruses work. With the many different types of viruses‚ there are different ways that viruses affect the body. Essentially most cells have both DNA and RNA. These are the building blocks of life. When cells split in half‚ the genetic material that is there is copied and then transferred to each call. As
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A “Living Apart Together” ‘Living Apart Together’‚ also known as the term L.A.T.‚ is a new trend that has spread across the world. It has been perceived differently‚ and some might claim it is a result of a stresses everyday life‚ where time alone and selfishness is missing. LAT could give you a chance of being in a well function relationship‚ and still be away from your partner. The more negative perception of it is that people think it shows a lack of commitment‚ and it is a way to run from
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The two party system is not perfect in the sense that if you aren’t supportive of either party you don’t really have a say and may even be left out. The independent voters are unrepresented. In the end they have to decide between one of the two parties even though they don’t necessarily agree with either. Kind of like they are stuck in the middle of the Democrat’s and the Republic’s. People now a days don’t really look into each party they just see or hear something on the news or social media and
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1. Living Apart Together‚ also called L.A.T‚ is a unique phenomenon that through modern time has become more and more popular among couples. The purpose of L.A.T is that a couple‚ which either are married‚ engaged or boyfriend and girlfriend‚ who has an intimate relationship but the couple lives separately on separate addresses. LAT relationships is increasingly understood and also accepted in public. It is seen by most people‚ as good enough partnership and the couples still remain the same expectations
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em Justice System in a Tale of Two Cities It is no secret that‚ in a Tale of Two Cities‚ Dickens constantly critiques the English society. In chapters two and three he focuses on critiquing the justice system. By using various language strategies including juxtaposition‚ and the lack of quotation marks‚ Dickens comments on the ridiculousness of the court. Dickens’s use of juxtaposition is evident when he describes Charles Darnay as “a false traitor to our serene‚ illustrious‚ excellent‚ and
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The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue‚ salivary glands‚ pancreas‚ liver‚ and gallbladder).[1] In this system‚ the process of digestion has many stages‚ the first of which starts in the mouth. Digestion involves the breakdown of food into smaller and smaller components‚ until they can be absorbed and assimilated into the body. Chewing‚ in which food is mixed with saliva begins the process of digestion. This produces a bolus
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entry Colonise the tissues Resist the defences Cause damage to the tissues Pathogens include bacteria‚ viruses and fungi How do microorganisms enter the body Many pathogens enter through the gas exchange system (including ones that cause flu and TB) Food and water can carry pathogens into the stomach and intestines via the mouth and into the digestive system (including ones that cause cholera) Preventing pathogens entering Mucous layer that covers the exchange surfaces and forms
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learning potentials: 093.1.1/2 1. UNICEF works for children in more than 190 countries. We believe that every child‚ no matter who they are or where they live‚ has the right to grow up safe‚ happy and healthy. In 1989‚ the world’s leaders officially recognised the human rights of all children and young people under 18 by signing the UN Convention on the Rights of the Child. The Convention is the basis of all our work. UNICEF is the only organisation working for children recognised by the Convention
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