Thursday, August 5, 2010

7th Grade 8/5/10

We will be having our first test over Chapter 1 on Monday(8/9) You have Section 1 notes and I have posted Section 2 below. Complete your Chapter Review sheet and use it as a reference to aid you in your studying. The test will be 50 points and be a combination of True or False, Matching, and Short Answer. Remember everything for me must be in a complete sentence.

Mr. Clark

Chapter 1 Section 2 Notes

The Geographer’s Tool
Chapter 1
Section 2
Globes and Maps

Globe-model of the Earth-same shape
 + Land and water as it really is
 - what can be shown-detail
 -not very portable
Maps- flat
 + shape-(round to flat)
 -distortion-loss of accuracy
Better Choices
 Aerial Photos
 Satellite Images
 Both provide more current information
 GIS- Geographic Information System
 Connects information with locations
Ex. Military & Businesses
Mercator Projections

 - Makes poles appear larger
 -To keep latitude lines straight, had to stretch distances
 + Correct shapes
 -Not correct size
Equal-Area Projections
 - Shapes wrong
 + Size right
 - Lines that would be straight on Earth are curved
Robinson Projection
 Named for Arthur Robinson
 Best most accurate map available
 Distances, size and shape are fairly accurate
 - Edges are distorted
Reading Maps
 Parts of a Map
 Compass Rose- shows direction
 Scale Bar- Distance
 These can vary
 Key- explains symbols and shading

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