Across
1
Largest river in South America
4
Low area between mountains
5
Region surrounding the North Pole
10
One of seven major landmasses
11
Low-lying land surrounded by higher ground
13
Narrow sea inlet between cliffs
14
Land surrounded by water
Down
2
Piece of land jutting into the sea
3
Flat grassland in tropical regions
6
Vast body of salt water
7
Steep rock face at edge of land
8
Distance east or west of prime meridian
9
Region between the two tropic lines
12
Tool for finding directions