1. Mapping 6th Grade Science

2. I. Earth’s Surface A. Topography 1. Elevation = Height above sea level 2. Relief = Highest – lowest elevation 3. Landforms = Object with elevation/relief

3. 3. Landforms i. Plain = Low elevation, low relief ii. Mountain = High elevation, High relief iii. Plateau = High elevation, Low relief

4. iv. Landform Region (one type)

5. II. Models A. Types 1. Maps = Flat 2. Globe = Sphere B. Parts 1. Scale = How much reduced (ratio) i. 1: 25,000 2. Symbols 3. Legend (key) 4. Compass Rose

6. C. Reference System 1. Divide into parts i. Equator separates North and South a. Each half = Hemisphere ii. Prime Meridian separates East and West a. Greenwich England 2. Degrees (360)

7. D. Location 1. Latitude (amount North or South) 2. Longitude (amount East or West)

9. E. Map Projections 1. Mercator Projection i. All lines rectangular ii. Distortion at poles 2. Equal-Area Projection i. Curved lines 3. Conic Projection i. Combination

10. F. Data 1. Satellites 2. Global Positioning System (GPS)

11. III. Topographical Mapping A. Definition 1. Contour Lines for elevation 2. Contour intervals – Distance between lines i. Must be same for entire map ii. Index Line (every 5 darkened)

13. Quiz