Latitude and Longitude

Vocab Latitude Longitude Meridian Parallel Tropics Poles Greenwich mean time (GMT)

Coordinate system If I were to ask from directions from the front door to the back door, what would you say? – Floor?

Coordinate System Parallel = Latitude Meridians = Longitude

Important Lines Latitude (Parallel): – parallel lines that don’t touch and measure N&S but run E&W Equator (0 o ): – Main reference line in middle of earth, runs east and west. Longitude (meridians): – not parallel lines that touch at the poles and measure E&W but run N&S Prime Meridian (0 o ): – Main reference line for longitude, runs north and south. International Date Line (180 o ): – opposite side of earth from Prime Meridian.

Tropic of Cancer 23.5 oN Tropic of Capricorn 23.5 oS

Now let’s be more exact! Look at the clock. How many minutes are there in an hour? – 60 minutes How many seconds are in a minute? – 60 seconds Lat/Long is the same way. 1 degree = 60 minutes 1 minute =60 seconds 43 o 00’ N 42 o 00’N 77 o W 76 o W 42 o 60’ N

Draw all latitude (41, 42, 43, 44, 45) and longitude (72, 73, 74, 75, 76, 77, 78, 79) What is LAT of Syracuse What is Longitude of Syracuse Ithaca?

Time Zones Earth Rotates 15 o per hour GMT =Greenwich Mean Time