Across
1
One of seven major landmasses
6
Large area covered with trees
9
Long-term weather patterns of an area
10
Cold treeless Arctic plain
11
Largest ocean on Earth
12
Chain or group of islands
14
Steep rock face at edge of land
Down
2
Height above sea level
3
Land surrounded by water on three sides
4
Narrow sea inlet between cliffs
5
Mountain that can erupt with lava
7
Large natural elevation of earth
8
Line dividing two countries
13
Largest river in South America