Across
1
Large body of water partly enclosed by land
3
Large slow-moving mass of ice
5
Flat elevated area of land
6
Large natural stream of water
8
Landform where river meets the sea
11
Region surrounding the North Pole
12
Total number of people in an area
Down
2
Cold treeless Arctic plain
4
City that is seat of government
6
Ridge of rock or coral near the surface
7
Piece of land jutting into the sea
9
Half of the Earth
10
One of seven major landmasses