Across
1
Body of water surrounded by land
3
Flat elevated area of land
4
Wearing away of land by water or wind
5
Largest hot desert in the world
6
Long-term weather patterns of an area
11
Tool for finding directions
Down
2
Deep narrow valley with steep sides
3
Land surrounded by water on three sides
7
Steep rock face at edge of land
8
Large natural stream of water
9
Region between the two tropic lines
10
Piece of land jutting into the sea
12
Large slow-moving mass of ice
13
Region near the equator