How to Make Thermite With Aluminum from an Etch-a-Sketch

You may have learned about exothermic reactions in chemistry class. In an exothermic reaction, chemicals interact and release heat and often light. Burning wood is an exothermic reaction. So is rusting of iron, although the reaction is so slow you dont notice much going on. You can react iron much more quickly and spectacularly using the thermite reaction, which burns aluminum. The classic method of performing the reaction involves iron oxide, aluminum powder, and magnesium, but you can make do with household materials: 50 grams of finely powdered rust (Fe2O3)15 grams of aluminum powder (Al) Iron Oxide Collect rust from a rusted iron object, such as rust from a wet steel wool pad. Alternatively, you can use magnesite as your iron compound, which may be collected by running a magnet through beach sand. Aluminum This is where your Etch-a-Sketch comes into play. The powder inside an Etch-a-Sketch is aluminum. If you crack open the Etch-a-Sketch, you have the perfect complement to the iron oxide from the previous step. However, if you cant find an Etch-a-Sketch, you can grind aluminum foil in a spice mill. No matter how you get it, wear a mask when dealing with aluminum powder because you dont want to breathe it in. Wash your hands and everything after working with the stuff. Thermite reaction. Andy Crawford Tim Ridley / Getty Images Etch-a-Sketch Thermite Reaction This is insanely easy. Just be sure to choose a location away from anything flammable. Use eye protection when viewing the reaction, since a lot of light is emitted. Mix together the iron oxide and aluminum.Use a sparkler to light the mixture.Move away from the reaction and let it burn to completion before cleaning it up. Once it is cool, you can pick up the molten metal and examine it. You can use a propane torch instead of a sparkler to initiate the reaction, but try to maintain your distance as much as possible. Source Goldschmidt, Hans; Vautin, Claude 1898). Aluminium as a Heating and Reducing Agent. Journal of the Society of Chemical Industry. 6 (17): 543–545.

A Brief Note On Professional Educational Services Group

Professional Educational Services Group, LLC is an educational staffing agency driven by helping schools become more efficient when all employees cannot be present. This company is located in Michigan, Tennessee, Indiana, and Florida. The main office in Indiana is located at 2112 Utica-Sellersburg Road Jeffersonville, IN 47130. This location provides services to Greater Clark Community Schools. PESG hires applicants that meet all requirements. In order to become a substitute for a teacher, cafeteria worker, nurse, secretarial, para educator, media clerk, or custodial position you must complete numerous requirements. All applicants must complete an employment packet, bring two forms of legal identification to a two-hour meeting, an official 60 credit hour transcript, criminal background check, and training modules provided by Global Compliance Network. The changes PESG has recently imposed are using email as the primary mode of communication with employees. The primary communication m ethod used to be by phone where now it is solely email. Every morning substitutes could expect early phone calls telling them the positions that were available that day and that is how they would accept their duty for that day. The economy and current time period makes keeping positive retention rates difficult. Michael Thibideau has recently replaced Tracy as the new district specialist. Emails are sent every morning now pleading for substitutes to fill the empty postings. Before Micheal thereShow MoreRelatedCollaborative Teaching And Inclusive Education1495 Words   |  6 PagesSpecial education settings provide an exclusive service to students who are physically or mentally challenged. There are many creative, and innovative teaching approaches and techniques developed these days to facilitate learners with special needs. 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Electrical Installation Design free essay sample

E-power is a company that specializes in residential installation design at incredibly fair and competitive prices. We complete every electrical installation or design service safely, on time and on budget and with over 20 years’ experience in thus industry, we know exactly how to install systems that will save you money as well as help the environment. We provide a comprehensive range of design, installation, testing and maintenance services. Our diverse range of electrical contracting services includes: †¢ †¢ †¢ †¢ †¢ †¢ Commercial electrical design and installation Domestic electrical repairs and installations Lighting and power systems Alarms, CCTV, emergency and security lighting Portable Appliance Testing Commercial and industrial factory refurbishments Contents Chapter 1: Design Concepts 1. 1 Design Requirement †¢ †¢ †¢ †¢ †¢ †¢ †¢ †¢ †¢ †¢ General provision of 13 A switched socket outlets (SSO). Each circuit to serve not more than 50 m2 of floor area. Additional SSO to be provided at specific location for known appliance e. . kitchen, living and family areas, Not more than 3 nos. of SSO connected to a 20A circuit serving kitchen area, One number of multi-split air-conditioner unit ( assume 3 kW, pf=0. We will write a custom essay sample on Electrical Installation Design or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 85) provided with isolator point (20A) located at the Yard area, Water heater (instantaneous type) 2 kW located in bathroom, Each lighting circuit should not be connected to more than 10 lighting points, Fluorescent lamps are to be provided in the kitchen and store room, One consumer unit located at the entrance/store room, One meter kiosk located at the entrance, . Use appropriate diversity factors in your calculations and explain why the values are used. 1. 2 Design rules for lighting circuit †¢ To indicate the location clearly 4 †¢ To indicate the switching arrangement One way switch control Two-way switch control †¢ Legends 5 L1: same circuit number indicate that they are from the same MCB control by the same switch : One way switch : two gang switch : two way switch †¢ General rules 1. 2. 3. 4. 5. 6. Assume a maximum rating of each lighting point is 100W Not more than 10 lighting/fan points in a circuit No switch should be located inside bathroom Use 6A or 10A SPN MCB Use 1. sq mm cable size For discharge lamp without exact information, the loading of circuit be determined by multiplying the rated lamp power (watts) by a factor 1. 8 I=p*1. 8/V This multiper takes into consideration a circuit power factor of not less than 0. 85 lagging, and also control gear losses and harmonic currents. 1. 3 Design rules for switched socket outlet †¢ †¢ †¢ †¢ †¢ Not more than 3 SSO ( 15/20 A MCB, 2. 5 sq mm) serving area including kitchen Not more than 6 SSO ( 20A MCB, 2. sq mm cable) serving a room which is not a kitchen Not more than 6 SSO (30A MCB, 4 sq mm cable) serving area including kitchen Not more than 10 SSO (30A MCB, 2. 5 sq mm cable) in ring circuit. No socket outlet is allowed inside the bathroom Legends: 6 1. 4 The difference between radial and ring circuit for switched socket outlet Ring circuit Radial circuit 7 The summary of main difference 1. 5 Design requirement for heater 1. Each heater must be connected to its own final circuit 2. The minimum breaker size is 15/20 A 3. Minimum cable size is 2. 5 sq mm 8 1. 6 Design rules for air-conditioner . Supply from 15 A switch socket outlet for window unit. 2. Supply from isolator for split unit type of air-conditioner Split unit—compressor (outdoor) Fan (indoor) Room A/C unit—must have one side facing outside 3. A/C unit is basically motor load, therefore with high starting current and starter may be used. 4. For multi-split A/C unit, one compressor can serve a few areas. Only one isolator is required. 5. For room A/C unit, each unit must be served by a 15 A switch socket outlet Electrical Ampere allowed for air-con in HDB apartments 9 Chapter 2: Calculation 2. The definition of maximum demand and diversity Definition of maximum demand: The maximum anticipated installation load plus any allowance for Future loading Diversity= maximum demand / connection load Recommended diversity The diversity of general power circuit is different, only when using CP5:1988 The method is 2. 2 Demonstration of Maximum Demand 10 Chapter 3: Recommendation 3. 1 Sizing and type of main circuit breaker Recommended Standard Breakers Size used in residential design 11 Chapter 4: Drawings and product catalogues or specifications 4. 1 Layout drawing 12 4. 2 Single-line diagram 13 14

There Are Many Major Themes In Sir Gawain And The Green Knight, Some M

There are many major themes in "Sir Gawain and the Green Knight", some more present than others, for instance, honor and pride which lead to manipulation (domination) and finally, the game itself. These are three themes that get the audience interested in the story and give them an appetite for more of the story. Honor and pride play a big part in the game the Green Knight is playing because it is what he trusts will cause one of the knights to accept his challenge. The knight insults King Arthur and his court deliberately to trigger a response, which he gets. King Arthur is a proud king but this moment in the story is an example of foolish pride on his part. Before he even knew the clauses of the "contract" with the green knight, who stayed vague enough to let him believe that he was seeking a challenge, Arthur says: "Sir courteous knight, if contest you crave, You shall not fail to fight". At this point, the audience wonders why he uses the word "courteous" as an adjective for this insolent knight who burst into the dining room armed, on his horse and asked for "the captain of this crowd". This is the first example of Arthur's foolish pride. He answered this way to save the face of his knights and his court and it will lead him to trouble. The knight exposes the rules of the game and the au dience wonders who will take on the challenge, why isn't any of the knight of the round table getting up and accepting the challenge? He goes even further by insulting the king and his court directly, calling them cowards, laughing loud to their face until Arthur blushes, - "The blood for sheer fame shot to his face and pride" - gets up and takes the challenge on himself. Now the crowd is inquisitive. They wonder what will happen to Arthur because surely there is a catch in the knight game and Arthur in foolishly falling into his trap. Now Sir Gawain stands and takes Arthurs place and is asked, by the Green Knight, to swear to seek him out a year from then to complete the second part of the deal . By making this oath right away without hesitation, he shows a great proof of honor and pride. He answers right away: "What is the way there? Where do you dwell?". Of course, now the audience is sitting at the edge of their chair waiting to see if Sir Gawain's attack will be effective at al l against the Green Knight. Manipulation and domination and also a major theme in this story because it is what the Green Knight is counting on when convincing King Arthur and his court to accept the challenge. He plays on their pride and honor and knows that they will make their decision based on those two factors, rather that think everything over and make a decision based on logic. The audience likes this because the Green Knight is an appealing "villain". He is huge and proud and not afraid of any of the Knight of the Round Table, and he insults King Arthur to his face, repeatedly from the moment he entered the room. The first manipulative aspect of this knight is the way he presents himself: fearless, proud, arrogant, without armor. "A green horse great and thick; A headstrong steed of might, In broidered bridle quick, Mount matched man aright. This is a form of intimidation and this is the first step in getting Arthur to accept the challenge. Bibliography No bibliography