Across
1
Region between the two tropic lines
5
Flat grassland in tropical regions
6
Steep rock face at edge of land
7
Ocean between Americas and Europe/Africa
10
Line dividing two countries
Down
2
Land surrounded by water
3
Large slow-moving mass of ice
4
Largest hot desert in the world
7
Largest river in South America
8
Where river meets the sea
9
Imaginary line around the middle of Earth