Across
1
Half of the Earth
4
Low-lying land surrounded by higher ground
7
Region between the two tropic lines
8
Height above sea level
9
City that is seat of government
10
Imaginary line around the middle of Earth
Down
2
Flat grassland in tropical regions
3
Wearing away of land by water or wind
5
Land surrounded by water on three sides
6
Flat elevated area of land
11
Ocean between Americas and Europe/Africa