Across
1
Ridge of rock or coral near the surface
4
Seasonal heavy rainfall
5
Half of the Earth
6
Largest hot desert in the world
11
Chain or group of islands
Down
2
Dry land with little rainfall
3
Imaginary line around the middle of Earth
7
Low area between mountains
8
Region surrounding the North Pole
9
Ocean between Americas and Europe/Africa
10
Region between the two tropic lines