Across
1
Land surrounded by water on three sides
2
Piece of land jutting into the sea
6
Distance north or south of equator
8
Seasonal heavy rainfall
9
Deep narrow valley with steep sides
11
Flat elevated area of land
Down
2
One of seven major landmasses
3
Body of water surrounded by land
4
Half of the Earth
5
Wearing away of land by water or wind
7
Region surrounding the North Pole
10
Cold treeless Arctic plain
12
Low area between mountains