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Test%201%20Study%20Guide - Test1StudyGuide Summary...

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Test 1 Study Guide 40 of these Multiple Choice questions will be on the test along with all the questions in Part 2. Summary Category # of Questions Krauskopf - 001 Chapter... 23 Krauskopf - 002 Chapter... 15 Krauskopf - 003 Chapter... 18 Krauskopf - 004 Chapter... 27 Krauskopf - 005 Chapter... 27 Krauskopf - 006 Chapter... 29 1. When first proposed, a scientific idea is usually called a A. hypothesis. B. law. C. theory. D. model. 2. Scientific theories A. must be constantly reviewed to see whether they are in accord with new experimental observations. B. represent guesses that have not yet been compared with observational data. C. are summaries of particular experiments. D. are laws of nature not subject to revision. 3. The object in the sky that lies very nearly on an extension of the earth's axis is 4. A constellation is 5. A day is the time needed for 6. Leap years are needed because A. the earth's orbit is not a perfect circle. B. the length of the day varies. C. the length of the year varies. D. the length of the year is not a whole number of days.
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7. A planet not visible to the naked eye is 8. In which one or more of the following is the earth assumed to be the center of the universe? 9. The discovery that the planetary orbits are ellipses rather than circles was made by
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10. Kepler modified A. the Ptolemaic system. B. the Copernican system. C. Newton's law of gravity. D. the theory of the tides. 11. The period of the earth's orbit around the sun is 12. When a planet is farthest from the sun in its orbit, 13. Astrology
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