Across
1
Land surrounded by water
4
Largest hot desert in the world
8
Cold treeless Arctic plain
9
Ridge of rock or coral near the surface
11
Large area covered with trees
Down
2
Piece of land jutting into the sea
3
Large slow-moving mass of ice
5
Distance east or west of prime meridian
6
Low-lying land surrounded by higher ground
7
Land surrounded by water on three sides
10
Dry land with little rainfall