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Geography of the Americas

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Presentation on theme: "Geography of the Americas"— Presentation transcript:

1 Geography of the Americas

2 Section 2 Tools of Geography

3 Globes Only accurate way to draw the earth. Behaim’s Globe
1492 German cartographer First round map of the world

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5 Latitude and Longitude
Each line measured in degrees (°) and minutes (´) Latitude Also known as parallels 90°N farthest North and 90°S is farthest south Equator Longitude Also known as meridians Prime Meridian 0° International Date Line 180°

6 D. Grid System Coordinates Examples:
A location’s degrees of latitude and longitude Gives the Absolute Location Example: Coordinates of Philadelphia are 40°N and 75°W Examples:

7 E. Hemispheres and Continents
Earth sliced at the Equator and the Prime Meridian.

8 Continents

9 North America

10 South America

11 Africa

12 Europe

13 Asia

14 Australia

15 Antarctica

16 Continents – North America, South America, Europe, Asia, Africa, Australia, Antarctica
Map Projections Maps are flat drawings of the earth’s surface and can take different forms, or projections. Mercator projection – shows land shapes accurately, but not sizes or distances. Interrupted Projection – shows Mercator’s world as a cut-up sphere. Size more accurate, but hard to measure distances.

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19 D. Robinson Projection – most commonly
D. Robinson Projection – most commonly used, some distortion on northern and southern tips.

20 E. LANDSAT – created by photographic satellites

21 Types of Maps General-purpose – show wide range of general information about an area. Physical maps – show natural features such as rivers and mountains Political maps – show places people have created such as cities or boundaries of states and nations Special-purpose maps – who information on specific topics such as land use, climate, or vegetation

22 Assignment: Discuss one advantage and one disadvantage of maps AND one advantage and one disadvantage of globes. Use paragraphs and complete sentences. Minimum ½ page.


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