Across
1
One of seven major landmasses
2
Chain or group of islands
4
Large body of water partly enclosed by land
7
Ridge of rock or coral near the surface
8
Steep rock face at edge of land
9
Body of water surrounded by land
10
Cold treeless Arctic plain
11
Flat grassland in tropical regions
Down
2
Ocean between Americas and Europe/Africa
3
Large area covered with trees
5
Land surrounded by water
6
Mountain that can erupt with lava
12
Half of the Earth