Across
1
Land surrounded by water
3
Steep rock face at edge of land
5
Mountain that can erupt with lava
6
Region surrounding the North Pole
7
Vast body of salt water
8
Large natural stream of water
9
Region near the equator
11
Ridge of rock or coral near the surface
13
Dry land with little rainfall
Down
2
Largest ocean on Earth
3
One of seven major landmasses
4
Distance east or west of prime meridian
10
Cold treeless Arctic plain
12
Raised area of land, smaller than a mountain