Across
1
Steep rock face at edge of land
4
Piece of land jutting into the sea
5
Region surrounding the North Pole
6
Region between the two tropic lines
9
Vast body of salt water
11
Flat grassland in tropical regions
Down
2
Land surrounded by water on three sides
3
Largest ocean on Earth
7
Landform where river meets the sea
8
Large slow-moving mass of ice
10
Chain or group of islands