The Greek mathematician‚ Archimedes‚ is credited with inventing celestial spheres in the form of a model that are the foundation for what is today called a planetarium. A planetarium is a geocentric model of the solar system that shows the positions of the sun‚ moon‚ and planets as viewed from the earth at various times. The positions of the heavenly bodies may be indicated through the relative positions of small spheres representing the bodies‚ as was achieved in Archimedes’ planetarium. Modern planetariums
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g/cm3‚ while gases are usually stated as kg/m3. A real life example of density would be that ice floats on water because it is less dense than water‚ or it sinks because it is more dense than water. The only substance that breaks this rule is ice. Archimedes was the first person to develop the idea of density‚ to find out if his crown was truly made of gold. He figures this out because he knows that the formula of density for gold is 19.3 g/cm3‚ and if a different type of metal was used‚ it would make
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Laboratory Techniques and Measurements Peter Jeschofnig‚ Ph.D. Version 42-0165-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing
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Assassination‚ Murder Archimedes is universally acknowledged to be the greatest of ancient mathematicians. He studied at Euclid’s school (probably after Euclid’s death)‚ but his work far surpassed the works of Euclid. His achievements are particularly impressive given the lack of good mathematical notation in his day. His proofs are noted not only for brilliance but for unequalled clarity‚ with a modern biographer (Heath) describing Archimedes’ treatises as "without exception monuments
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have an objects mass and volume‚ you can divide the mass by the volume to get the density. Step 6 was the introduction and use of the water displacement method‚ Archimedes’ Method‚ and the math calculation method. The water displacement method uses the volume displaced by the object and the mass of the object to identify the density. Archimedes’ Method identifies the density by using the mass and the weight of the volume displaced by the object. The math calculation method uses the measured volume of
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Laboratory Techniques and Measurements (adapted from Labpaq Version 09.1.06 by Peter Jeschofnig‚ Ph.D.) Experiment Summary You will have the opportunity to learn how to conduct measurements in mass‚ volume‚ and density using scales and common laboratory equipment. Review the safety materials and wear goggles when working with chemicals. Read the entire exercise before you begin. Take time to organize the materials you will need and set aside a safe workspace in which to complete the exercise
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Archimedes Archimedes of Syracuse (c.287 BC - c. 212 BC) was an ancient Greek mathematician‚ physicist and engineer. Although little is known about his life‚ he is regarded as one of the most important scientists in classical antiquity. In addition to making important discoveries in the field of mathematics and geometry‚ he is credited with producing machines that were well ahead of their time. The Ancient Roman historians showed a strong interest in Archimedes and wrote several biographies relating
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What is π? Webster’s Collegiate Dictionary defines π as "1: the 16th letter of the Greek alphabet... 2 a: the symbol pi denoting the ratio of the circumference of a circle to its diameter b: the ratio itself: a transcendental number having a value to eight decimal places of 3.14159265" A number can be placed into several categories based on its properties. Is it prime or composite? Is it imaginary or real? Is it transcendental or algebraic? These questions help define a number’s behavior in
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The Greek Society The Greek ways of life‚ including its cities and religion‚ introduced some of the cultural models that we still follow today. Greece’s art‚ science‚ and military structure personified and made the success of the empire possible. This advanced society flourished in its golden age shortly after defeating Persia in many wars. These Greco-Persian wars included the first clash of civilizations‚ and the struggle between the man-centered universe and the God-centered universe. The Greek
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Experiment 1 Laboratory Techniques and Measurements Purpose: To determine measurements of different items that vary from solids to liquids and be able convert those values to other SI units of measurement. Procedure: I used a variety of scientific tools such as; a ruler‚ beaker‚ graduated cylinder‚ volumetric flask‚ thermometer‚ burner‚ and digital scale to find unknown values of measurements for each of the indicated
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