Across
1
Distance east or west of prime meridian
3
Tool for finding directions
5
Deep narrow valley with steep sides
7
Region surrounding the North Pole
9
Cold treeless Arctic plain
Down
2
Land surrounded by water on three sides
4
Large natural elevation of earth
6
City that is seat of government
8
Mountain that can erupt with lava
10
Dry land with little rainfall
11
Flat elevated area of land
12
Ridge of rock or coral near the surface