Across
1
Area where water covers the soil
4
Tool for finding directions
6
Region near the equator
8
Imaginary line around the middle of Earth
13
Large natural elevation of earth
Down
2
Land surrounded by water on three sides
3
Distance north or south of equator
5
Largest ocean on Earth
7
Cold treeless Arctic plain
9
Largest river in South America
10
Ridge of rock or coral near the surface
11
Large slow-moving mass of ice
12
Mountain that can erupt with lava