Across
1
Steep rock face at edge of land
2
Vast body of salt water
5
Tool for finding directions
6
One of seven major landmasses
7
Largest river in South America
9
City that is seat of government
10
Area where water covers the soil
Down
1
Deep narrow valley with steep sides
3
Wearing away of land by water or wind
4
Region surrounding the North Pole
8
Distance north or south of equator
11
Total number of people in an area
12
Imaginary line around the middle of Earth