Across
1
Dry land with little rainfall
3
Visual representation of an area
6
Deep narrow valley with steep sides
8
Region near the equator
9
Low-lying land surrounded by higher ground
11
Large body of water partly enclosed by land
12
Distance east or west of prime meridian
13
Cold treeless Arctic plain
Down
2
Imaginary line around the middle of Earth
4
Narrow sea inlet between cliffs
5
Height above sea level
7
One of seven major landmasses
10
Largest ocean on Earth