Determining Latitude 1. Figure A Represents Earth, With Point B Its Center

Part A: Determining Latitude 1. Figure A represents Earth, with point B its center. Locate the equator on the globe. Sketch and label the equator on Figure A. Label the Northern Hemisphere and Southern Hemisphere on Figure A. 2. On Figure A, make an angle by drawing a line from point A on the equator to point B (the center of Earth). Then extend the line from point B to point C in the Northern Hemisphere. The angle you have drawn (aABC) is 45°. By definition of latitude, point C is located at 45°N latitude. 3. Draw a line on Figure A through point C that is also parallel to the equator. What is the latitude at all points on this line? Record this number on the line you draw. 4. Draw a line on Figure A from point D to point B. Using a protractor, measure aABD on your paper. Then draw a line parallel to the equator that also goes through point D. Label the line with its proper latitude. 5. How many degrees of latitude separate the latitude lines (or parallels) on the globe that you are using? Record the degrees of latitude. Earth Science Lab Manual ■ 161 North Pole Horizon London, England South

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