Melting Greenland ice 10 marker “Suggest why some groups and communities view the melting of the Greenland’s ice sheet as an opportunity rather than a threat” (10) Some groups and communities view the melting of Greenland’s ice sheet as an opportunity rather than a threat because the melting ice creates some commercial advantages for the Arctic region the new route available from the melted ice will be the quickest way of travelling from Europe to the Pacific and Asia. This also increases the tourism
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Purposes of Experiment: To synthesize a transition metal complex‚ potassium tris (oxalate)ferrate(III) trihydrate in a two step process‚ to learn new laboratory techniques such as decantation‚ recrystallization‚ gravity and suction filtration. Also the purpose of the experiment is to determine the actual‚ theoretical‚ and percent yields of product‚ and characterize the final compound by determining the number of waters of hydration by gravimetric analysis List of Observations: After adding
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Lost Wax Casting The lost wax casting system was an ancient Egyptian invention that impacted the global art of sculpture for dynasties to come. The Zoa dynasty of China adopted the Egyptian style and called it the piece-mold system. Today‚ a process not unlike the original Egyptian style is used in the casting of art and industrial tools using a ceramic shell. Lost wax casting begins with a hollowed hard clay base core. The base core is then covered with beeswax. The artisan would then carve
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Crazy Crystal Creations: How to Grow the Best and the Largest Crystals Materials and Equipment * Lab notebook * Large bowl * Ice‚ enough to fill large bowl at least three times * Water * Thermometer * String * Scissors * Pencils (3) * Identical jars or large drinking glasses (3) * Pot with a lid * Borax (also called 20-Mule Team household cleaner); * Tablespoon * Plastic wrap‚ wax paper‚ or aluminum foil * Gloves‚ latex or similar style exam
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Engineering Materials Week 2-Interactivity 3.1 What is the difference between crystal structure and crystal system? A crystal structure is described by both the geometry and atomic arrangements within cell‚ whereas a crystal system is described only in terms of the cell geometry. 3.2 For cubic crystals‚ as values of the planar indices h‚ k‚ and l increase‚ does the distance between adjacent and parallel planes (i.e.‚ the interplanar spacing) increase or decrease? Why? The interplanar spacing
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Before our group began the procedure itself‚ I thought about the whole concept in watching an ice cube melt in a beaker filled with vegetable oil. At first‚ I thought it was going to be interesting‚ right of the bat with bubbles and other reactions that catches interest. Once we started the procedure by inserting the ice cube into the beaker filled with vegetable oil‚ the dullness and boring state also began to flow. We sat there watching for a good five minutes before any visual reaction was taking
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02TTB204 Mechanics of Solids Part B Lab Buckling of Struts 1. Introduction The task was given to obtain the buckling stresses for pin-ended steel struts of various slenderness ratios and compare with theoretical predictions obtained using the Euler and Rankine-Gordon equations. 2. Theory The method of obtaining the buckling stresses followed was to use data show in Appendix A. From the record of applied load‚ P‚ against deflection‚ δ‚ a Southwell plot of δ against
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Chapter Objectives Understand how to measure the stress and strain through experiments Correlate the behavior of some engineering materials to the stress-strain diagram. Copyright © 2011 Pearson Education South Asia Pte Ltd In-class Activities 1. 2. 3. 4. 5. 6. 7. Reading Quiz Applications Stress-Strain diagram Strength parameters Poisson’s ratio Shear Stress-strain diagram Concept Quiz Copyright © 2011 Pearson Education South Asia Pte Ltd TENSION AND COMPRESSION TEST Copyright
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Chapter Objectives To determine the deformation of axially loaded members. To determine the support reactions when these reactions cannot be determined solely from the equations of equilibrium. To analyze the effects of thermal stresses. Copyright © 2011 Pearson Education South Asia Pte Ltd In-class Activities 1. 2. 3. 4. 5. 6. 7. 8. 9. Reading Quiz Applications Elastic deformation in axially loaded member Principle of superposition Compatibility conditions ‘Force method’ of analysis
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1.) the diagonal of a rectangle is 25 meters long and makes an angle of 36 degree with one side of the rectangle. Find the area and the perimeter of the rectangle. 2.) A side of a square is 16 inches. The midpoints of its sides are joined to form an inscribed square. Another is drawn in such a way that its vertices would lie also at the midpoints of the sides of the second square. This process is continued infinitely. Find the sum of the areas of these infinite squares. 3.) A rectangle and a
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