Part 1 of 1 - 92.0/ 100.0 Points Question 1 of 25 4.0/ 4.0 Points Which one of the following is not a system? A. a leaf B. a tree C. a mountain range D. Earth Correct E. All of these are examples of systems Answer Key: E Feedback: See "The system concept" in Chapter 1. All of the above examples are described as systems. “A system may be large or small‚ simple or complex (Figure 1.6). It could be the contents of the beaker in a laboratory experiment
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your identification. Finally‚ explain your percentage of certainty: What was confusing about this mineral? What other minerals do you think it could be? Remember‚ the minerals in the virtual lab include seven of the following: borax‚ calcite‚ corundum‚ graphite‚ gypsum‚ orthoclase feldspar‚ pyrite‚ quartz‚ talc‚ and topaz. Identification of Mineral Percent Certain Explanation of Certainty Example: Fluorite 80% certain I am almost certain this mineral is fluorite‚ but I am not completely
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mineral 6. Orthoclase Feldspar 2. Gypsum 7. Quartz 3. Calcite 8. Topaz 4. Fluorite 9. Corundum(Ruby) 5. Apatite 10. Diamond-hardest mineral. Streak Streak is the color of the mineral in powdered form. Streak shows the true color of the mineral. Cleavage Refers to very smooth‚ flat‚ shiny breakage
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Hornfels DEFINITION Hornfels is a very fine-grained metamorphosed shale rock‚ usually gray to black in color. Mineral composition in variable but is usually made up of some combination of equidimensional mosaic of quartz or calcite along with inequidimensional sheet silicates in random orientation or sometimes containing andalusite porphyroblasts. OCCURANCE Hornfels forms when shale rocks come into contact with a hot igneous intrusion body at lower pressures and at the equilibrium temperature
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DIAGNOSTIC TEST (GENERAL SCIENCE SUBTEST1) 1. A ringing bell‚ placed in a vacuum under a glass bell‚ jar will: D) Be Inaudible. 2. The light-year is used to measure: B) Distance. 3. If a piece of corundum weighs 4 ounces in the air abut appears to weigh only 3 ounces when submerged in water‚ its specific: D) 4. 4. Which kind of time does a sundial keep? C) Solar. 5. Of the following‚ the best conductor of heat is B) Copper. 6. Ecology can best be described as the study
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specially adopts jaw crusher as the core minerals crushing equipment. Among all these mobile crusher plants‚ mobile jaw crusher plant is particularly suitable for hard rock crushing mini stone crusher machine‚ such as taconite‚ granite‚ dark rock‚ corundum powder packing machine‚ Silicon carbide and quartzite‚ etc. mini jaw crusher:http://www.daswellmining.com/en/PRODUCTS/Mini_Diesel_Crusher/41.html mini stone crusher:http://www.daswellmining.com/en/PRODUCTS/Mini_Diesel_Crusher/44.html portable
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grinding. (4) The non-crushed materials can easily pass through the equipment‚ which is seldom influenced by water in the materials. The moisture content is allowed to reach 8%. (5) It is capable of crushing medium and extra hard materials (such as corundum and sintered bauxite‚ etc.). (6) The product is in the shape of a cube with little iron pollution. (7) Self-supporting of materials in impeller and vortex crushing cavity greatly reduces cost of worn parts and amount of maintenance work. (8) It is
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most honored guests would be given Aluminium cutlery‚ the others had to make do with gold or silver cutlery. A Description of the Aluminium ore‚ including a list of it’s contents Pure Aluminium oxide is known as alumina (Al2O3). This is found as corundum‚ a crystalline. Aluminium can also occur as cryolite (Na3AlF6). Traces of other metal oxides in Aluminium oxide tint it to make it form stones (often precious) for example: chronium gives a red colour to rubies‚ and cobalt makes the blue in sapphires
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THE PEARL OF THE ORIENT SEAS During the early ages‚ many Filipinos use pearls for accessories. The Philippines as we all know is really surrounded by different bodies of water because of these‚ many sea divers dive in seas just to get big and beautiful pearls. The Philippines is also rich in natural resources containing beautiful places because to these‚ they export different sizes of pearls in the different parts of the country. With all its grandeur and magnificence‚ the Pearl of the Orient
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The mythology about rubies is vast and it varies. Some cultures associate it with the Zodiac sign of Capricorn (goat) and in other cultures‚ Taurus (bull). Most cultures consider the ruby as the birthstone for July. However‚ throughout the ages it has been associated with nearly every other month. Ruby’s Day is Tuesday‚ it’s season Summer‚ and it’s apostle St. Matthew. Rubies are a traditional gift for 40th wedding anniversaries. In myth and magic‚ at the time of the Borgias (15-16th century)‚
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