Across
1
Wearing away of land by water or wind
6
Ridge of rock or coral near the surface
7
Distance north or south of equator
8
Large slow-moving mass of ice
11
Cold treeless Arctic plain
Down
2
Half of the Earth
3
Region surrounding the North Pole
4
Seasonal heavy rainfall
5
Deep narrow valley with steep sides
9
Land surrounded by water
10
Imaginary line around the middle of Earth
12
Area where water covers the soil
13
Steep rock face at edge of land
14
Line dividing two countries