Across
1
Chain or group of islands
7
Seasonal heavy rainfall
8
One of seven major landmasses
9
Vast body of salt water
10
Half of the Earth
11
Flat grassland in tropical regions
12
Piece of land jutting into the sea
13
Distance north or south of equator
Down
2
Land surrounded by water on three sides
3
Raised area of land, smaller than a mountain
4
Largest hot desert in the world
5
Largest river in South America
6
Region between the two tropic lines
14
Where river meets the sea