1. Contour Lines
L.O: To describe the shape of the land on a map using contour lines.
Starter: Brain warm up
Six categories using the letter…

2. Key Words
Spot Heights: The height of certain points on a map indicated by a one off specific number
Above Sea Level (ASL): The distance in which land height is measured, with sea level being zero.
Contour lines: Lines on a map that represent a certain height ASL. Lines generally 20 m apart however this is different on each map.

3. How would you describe the relief:2. 1. 3. 4. 5.
low
hilly
flat
mountainous
high

4. Spot heights explained

5. Choropleth example

6. Contour lines explained
The closer together the lines, the steeper the slope.
The further apart the lines, the more gentle the slope.

7. Contour Lines explained

9. Complete Worksheet DO NOT WRITE ON THE WORKSHEET
Complete the activities in your books.

10. Cross Sections
We can use contour lines to draw a cross section of an area.
A cross section is a profile view (side on) of the land to show the shape of the land.
Bring contour lines to life, using a piece of paper and a topographic map.

11. How to do a cross section

12. Homework
Carry on with your map project!!