Across
1
Area where water covers the soil
5
Body of water surrounded by land
6
Region between the two tropic lines
9
Largest river in South America
11
Land surrounded by water on three sides
12
Piece of land jutting into the sea
Down
2
Seasonal heavy rainfall
3
Half of the Earth
4
Large slow-moving mass of ice
7
Region surrounding the North Pole
8
Steep rock face at edge of land
10
Cold treeless Arctic plain