Across
1
Region between the two tropic lines
4
Large slow-moving mass of ice
5
Chain or group of islands
6
Large body of water partly enclosed by land
9
Tool for finding directions
10
Ridge of rock or coral near the surface
11
Dry land with little rainfall
Down
2
Largest hot desert in the world
3
Height above sea level
7
Half of the Earth
8
Line dividing two countries