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Astronomy 101 Final Q&a

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ASTR 100 Chapter ReviewQuestions – Fall 2012 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Section-1 Check the letter that represents the best answer to each of the multiple choice questions. Answer all questions in this section. Each question is worth 1 point. This section is worth 40 points. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 1. In the scientific method, a hypothesis _____. A. is a statement of fact B. makes a prediction that can be tested C. is usually proven to be correct D. can only be tested once E. none of these 2. Which of the following can't be considered an acceptable hypothesis?" A. Dark matter, (invisible matter which still has gravitational attraction), determines the orbits of stars in the the galaxy B. Mass increases with velocity C. Matter came into existence together with time D. The megagalaxies of the universe will become invisible to each other in time. E. all are acceptable hypotheses 3. A theory is an integrated explanation of numerous “proven”_____. A. facts B. laws C. controls D. hypotheses E. guesses 4. What is the correct sequence of steps in the scientific method? I. State a problem II. Analyze and interpret data III. Develop a hypothesis IV. Share the results with other scientists V. Design and perform experiment to test the hypothesis A. I – II - III - IV – V B. III – I - V – II – IV C. V – IV – III – II – I D. I – III – V – II – IV E. V – II – I – III - IV 5. Ptolemy's model sought to explain retrograde motion by _____. A. adding circles to epicycle orbits

B. adding circles to elliptical orbits C. adding epicycles to elliptical orbits D. adding epicycles to circular orbits 6. Due to retrograde motion some planets will rise in the west and set in the east. True or False 7. Which of the following is correctly ordered from largest to smallest in size? A. Moon, neutron star, white dwarf, galaxy B....

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