Across
1
Landform where river meets the sea
3
Half of the Earth
5
Area where water covers the soil
8
Visual representation of an area
10
Land surrounded by water on three sides
11
Cold treeless Arctic plain
12
Large slow-moving mass of ice
Down
2
Total number of people in an area
4
Largest river in South America
6
Ocean between Americas and Europe/Africa
7
Line dividing two countries
9
Imaginary line around the middle of Earth
13
Piece of land jutting into the sea