Across
1
Imaginary line around the middle of Earth
4
Region between the two tropic lines
5
Dry land with little rainfall
7
Land surrounded by water
Down
2
Large slow-moving mass of ice
3
Line dividing two countries
6
Largest river in South America
8
Area where water covers the soil
9
Long-term weather patterns of an area
10
Largest ocean on Earth
11
Large natural elevation of earth