Across
1
Mountain that can erupt with lava
3
Dry land with little rainfall
7
Region near the equator
11
Seasonal heavy rainfall
13
Low area between mountains
Down
2
Large natural stream of water
4
Steep rock face at edge of land
5
Deep narrow valley with steep sides
6
Large area covered with trees
8
Region surrounding the North Pole
9
Tool for finding directions
10
Ridge of rock or coral near the surface
12
Cold treeless Arctic plain