Across
1
Deep narrow valley with steep sides
4
Tool for finding directions
5
Ocean between Americas and Europe/Africa
10
Largest hot desert in the world
11
Area where water covers the soil
13
Large body of water partly enclosed by land
Down
2
Large area covered with trees
3
Large natural elevation of earth
6
Large slow-moving mass of ice
7
Distance east or west of prime meridian
8
Total number of people in an area
9
Cold treeless Arctic plain
12
Body of water surrounded by land