3D maps

Sites related to GeogSplace  
SACE Board of SA
GeogSpace
Spatialworlds blog
Spatialworlds website
Course details on Flo
Australian Curriculum Portal
Geogaction
DECD Learning Resources for Australian Curriculum
DECD Achievement Standards Charts
Australian Geography Teachers' Association website
Geography Teachers Association of South Australia

Scoop.it sites

Geographical thinking Scoop.it  

Spatial literacy Scoop.it  

History and geography Scoop.it 

Spatial Education and technology Scoop.it
Just real interesting Scoop.it

Contours and cross-sections

When a geographer looks at a topographic map they see it in 3D. How do they do that? Basically by being able to read contour lines and draw cross sections in their mind.  To do this we need to firstly know how to draw a cross-section to see the landscape in 3D.

Contour lines on a map link points of equal height above sea level. Numbers are used to indicate the height. The numbers on the contour lines are at set intervals

Check out:

• this very useful site for contours and cross sections (and other topographic map skills). Have a go at the exercises.
• another useful site to look at on topographic map skills.
• this Slideshow on isolines.