3D Contour Lines How to read contour lines

How to read contour lines

1. Contour LinesContour Lines

2. Today we are…Today we are…

Learning about contour lines.Learning about contour lines.

Finding out what contour lines look like.Finding out what contour lines look like.

3. What is a Contour Line?What is a Contour Line?

A contour line shows A contour line shows
different heights on an OS different heights on an OS
map.map.

If the lines are close If the lines are close
together then the land is together then the land is
very steep.very steep.

If the lines are far apart If the lines are far apart
the land is relatively flat.the land is relatively flat.

If there are no contour If there are no contour
lines the land is completely lines the land is completely
flat.flat.

4. What
does
this
show
us?

5. Your Task Today…Your Task Today…
–Create a 3D contour line model.Create a 3D contour line model.
–You must follow the instructions on the You must follow the instructions on the
worksheet very carefully.worksheet very carefully.