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Earth, Locations on Earth, and Maps ______ 1. longitude a. any circle that runs east and west around the Earth ______ 2. legend b. semicircle that runs pole to pole ______ 3. parallel c. angular distance north or south of the equator ______ 4. meridian d. a list of map symbols and their meanings ______ 5. latitude e. angular distance east or west of the prime meridian ______ 6. Where does a compass needle point? a. to the North Pole c. to the South Pole b. to the geomagnetic north pole d. to the equator ______ 7. What is true about the equator? a. It is the only line of latitude that is a great circle. b. It is the same as the prime meridian. c. It is a line of longitude. d. It falls at latitude 60°N. ______ 8. What symbol indicates the cardinal directions? a. compass point b. compass rose c. compass needle d. compass legend ______ 9. How are latitude and longitude measured? a. in kilometers b. in miles c. in degrees, minutes, and seconds d. in hours, minutes, and seconds ______ 10. What is the prime meridian? a. the only line of longitude that is also a great circle b. the international date line c. the only line of latitude that is also a great circle d. 0° longitude ______ 11. contour line a. height above sea level of land or an object ______ 12. topography b. size and shape of Earth’s surface features ______ 13. relief c. line connecting points of equal elevations on a map ______ 14. elevation d. difference between highest and lowest elevations 15. A contour interval is the a. difference in elevation between one contact line and the next. b. difference in color between one contour line and the next. c. difference in rock age between one geologic unit and the next. d. difference in elevation between one contour line and the next. _____ 16. mesosphere a. the thin and solid outermost layer of the Earth above the mantle _____ 17. crust b. the solid, outer layer of Earth that consists of the crust and the rigid upper _____ 18. lithosphere part of the mantle _____ 19. core c. strong, lower part of the mantle between the asthenosphere and outer core _____ 20. mantle d. the layer of rock between crust and core e. the central part of the Earth below the mantle 21. Earth’s circumference is about 40,000 km and its shape is a. an oval. b. an oblate spheroid. c. a perfect sphere. d. a perfect circle. 22. Which of the following is NOT a possible source of Earth’s magnetic field? a. sun’s magnetic field b. moon’s magnetic field c. magnetosphere d. Earth’s core 23. The lower boundary of Earth’s crust is called the a. oceanic crust. b. mantle. c. Moho. d. magnetic pole. 24. The solid, plastic layer of the mantle is called the a. core. b. mesosphere. c. lithosphere. d. asthenosphere.