Location Review and Reading Maps

 What is the degree longitude of the Prime Meridian?  0 Degrees! Bell Ringer #1

 Round Lake, Illinois is located 40 miles north and 10 miles west of Chicago, Illinois. What does this describe?  The relative location of Round Lake #2

 Draw the lines that measure the distance east or west of the Prime Meridian.  I I I I #3

 Draw the lines that measure the distance north or south of the equator.  #4

 What are 2 different ways to give an absolute location?  Address Beach Dr., Round Lake, IL  Cordinates- 20*N, 130*W #5

 Give me an example of a relative location. #6

 The Prime Meridian separates the earth into what 2 hemispheres?  Eastern and Western hemispheres #7

 We’re taking a vacation and we some help with the location of a few of the destinations we are planning on visiting.  1. What is the absolute location of New Orleans?  2. What is the absolute location of Chicago?  3. What is the relative location of California?  4. What is the relative location of Nebraska? Road Trippin’

 Is the size of the actual earth relative to the size we see on maps and globes?  Do all quality maps have similar items on them? Reading Maps Guided Notes

Projections  All maps are projections of the Earth’s curved surface onto a flat page.  Projecting the 3D sphere Earth onto a 2D surface can only be done by changing the actual 3D image!

Distortion  Projecting 3D images onto 2D surfaces causes DISTORTIONS  Distortion: Inaccuracies on all maps because of projection.  Maps can distort the size, shape, direction, and distance.  “All maps lie flat and all flat maps lie.” “All maps lie flat and all flat maps lie.”

What do you see on this map?

5 Things on a Map (B.O.L.T.S)  B. Borders  O. Orientation  L. Legend  T. title  S. scale

Borders

Orientation

Compass Rose  A design on a map that shows direction: north, east, south and west.  North is always at the top of the compass rose; south is always at the bottom.  (Never. Eat. Soggy. Waffles.)

Legend

Map Legend  The legend will tell what type of information is found on a map and the meaning of symbols.  Symbols can change from map to map. There are both line symbols and point symbols. Font can also be used to distinguish important information on a map.  Maps can have more than one legend.

Title  Put a title on your map

Scale Gives relative distances.

 Using complete sentences explain how projecting the earth onto a flat surface causes distortions in the size and shape of the earth. Exit Slip