Across
1
Deep narrow valley with steep sides
4
Large natural elevation of earth
5
Region surrounding the North Pole
7
Region between the two tropic lines
10
Imaginary line around the middle of Earth
12
Tool for finding directions
13
Distance north or south of equator
Down
2
Area where water covers the soil
3
Large area covered with trees
5
Height above sea level
6
Largest river in South America
8
Land surrounded by water
9
Largest ocean on Earth
11
Piece of land jutting into the sea