Across
1
Land surrounded by water
4
Piece of land jutting into the sea
5
Largest hot desert in the world
7
Imaginary line around the middle of Earth
9
Large body of water partly enclosed by land
10
Vast body of salt water
Down
2
Cold treeless Arctic plain
3
Distance north or south of equator
4
Deep narrow valley with steep sides
6
Low-lying land surrounded by higher ground
8
Largest ocean on Earth