Across
1
Largest hot desert in the world
4
Steep rock face at edge of land
5
Half of the Earth
7
Large area covered with trees
8
Low-lying land surrounded by higher ground
10
Total number of people in an area
Down
2
Cold treeless Arctic plain
3
Region surrounding the North Pole
6
Line dividing two countries
9
Body of water surrounded by land
11
Largest ocean on Earth
12
Visual representation of an area
13
Large natural elevation of earth