#5 -Describe the different types of map scales used

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Presentation transcript:

#5 -Describe the different types of map scales used Map Scales and Legends #5 -Describe the different types of map scales used #6 – Define Map Legend

Map Scale Relationship of distance on map to distance on Earth 1:24,000 1:100,000 1:250,000

How Map Scales are Represented Verbal 1 inch = 1mile May not be precise, but close enough for estimates Graphic Printed on map, if map enlarged or reduced still gives reliable scale Numerical (Fractional) Ratio 1:500 Fraction 1/500 Can be used with any units

Large Scale vs Small Scale 1:24,000 1:100,000 1:250,000

Map Legend Explains what symbols used on map mean

Conversions you may need 1 mile = 5280 ft 63360 in 1.6 km 1 kilometer = 1000m .62 miles

Practice - AES Calculate the verbal scale 1:62500 ____________mi/in Write the fractional scale of the map provided (bottom center) Write the verbal scale of the map provided __________mi/in Compare the verbal scale you wrote above against the graphic scale. Are they the same?

Assignment: AES – worksheet and read p 60-62, 876 EC p. 62 GES – worksheet and read pages 168-170, 806 EC p. 170