1 Arrange the class into groups of four

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1. Arrange the class into groups of four. 2. Select one group to cut

1. Arrange the class into groups of four. 2. Select one group to cut a piece of yarn that will reach across the room. Have them Our Earth’s Address tape it across the center of the room from east to west. Tape the yarn about six feet from the floor. Label the yarn the “equator. ” Discuss aspects of the equator with the class. 3. Select another group to cut a piece of yarn (use a different color). Ask them to tape it across the center of the room perpendicular to the equator ( north to south). Label this line the “prime meridian. ” Discuss the aspects of the prime meridian with the class. 4. Instruct the students to make longitude lines that will divide each row of students. Use the same color yarn used to make the prime meridian. 5. Instruct students to make latitude lines that will divide the class into a grid system. Use the same color yarn used for the equator. When completed, each student will be inside their square. 6. After the class has built the latitude/longitude system, there are several concepts that can be taught using the grid pattern: • Latitude/Longitude; • Room location of each student; • World wind patterns; • Climate zones by latitude; • Your city/town address by latitude and longitude; • Different hemisphere locations; • Compass direction from the classroom; • Plate tectonics; • Topographic maps. By James Giles Craigsville Elementary School Objective Overview Materials and Equipment Teaching Suggestions Time Procedures Safety Note Assessment Further Challenges