Across
1
Large body of water partly enclosed by land
3
Tool for finding directions
6
Large natural elevation of earth
7
Area where water covers the soil
8
Region surrounding the North Pole
12
Mountain that can erupt with lava
13
Half of the Earth
14
Piece of land jutting into the sea
Down
2
Narrow sea inlet between cliffs
4
Wearing away of land by water or wind
5
Largest ocean on Earth
9
Ridge of rock or coral near the surface
10
Height above sea level
11
Chain or group of islands
15
Largest river in South America