Across
1
Flat elevated area of land
5
Land surrounded by water
6
Large area covered with trees
7
Largest ocean on Earth
8
Half of the Earth
Down
2
City that is seat of government
3
Total number of people in an area
4
Deep narrow valley with steep sides
9
Large natural stream of water
10
Body of water surrounded by land
11
Raised area of land, smaller than a mountain
12
Large slow-moving mass of ice