Across
1
Region between the two tropic lines
5
Land surrounded by water on three sides
6
Vast body of salt water
7
Wearing away of land by water or wind
10
Land surrounded by water
11
Imaginary line around the middle of Earth
Down
2
Height above sea level
3
Largest ocean on Earth
4
Half of the Earth
8
Flat grassland in tropical regions
9
Tool for finding directions