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World map projections

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World map projections

1. 1. World Map Projections<br />
2. 2. What is a map? <br />“A map is a two-dimensional drawing of all or part of the Earth’s surface,” – Geography Skills Handbook (Pg. 22)<br />
3. 3. Perspective <br />Definition: A viewpoint.<br />
4. 4. Activity<br />We’re going to compare the sizes of Greenland and Africa on two projections, the Mercator and the Robinson.<br />By using only these two maps we will try to see how close in size they are to each other.<br />
5. 5. Mercator Projection<br />
6. 6. Robinson Projection<br />
7. 7. Actual Sizes <br />Greenland: .8 million sq. miles<br />Africa: 11.6 million sq. miles<br />11.6/.8=14.5 <br />That means Greenland should fit into Africa 14.5 times!!<br />
8. 8. Other Ways of Looking at the World<br />
9. 9. Goode’s Projection<br />
10. 10. Sources<br />Images:<br />http://www.petersmap.com/page3.html<br />www3.slv.vic.gov.au<br />www.gpht.com<br />www.jpmaps.co.uk<br />www.watermanpolyhedron.com<br />http://t0.gstatic.com/images?q=tbn:ANd9GcQpeLgPFqMvaRNbAzJlLqEXD35MMCQ8ZYPge1ghlcev3D7Oopo&t=1&usg=__vpxWnrWhxfevghiRK_I1v47B0Ak=<br />http://t0.gstatic.com/images?q=tbn:FiaEqZ_TzrvC5M:<br />http://t0.gstatic.com/images?q=tbn:Eu2kJGDJwTgWOM:<br />www.helmink.com<br />www.garwood-voight.com<br />www.pollsb.com<br />www.mall-maps.com<br />http://www.merriam-webster.com/dictionary/perspective<br />Geography Skills Handbook Pages 22-23<br />