Across
1
One of seven major landmasses
4
Narrow sea inlet between cliffs
8
Large natural stream of water
9
Imaginary line around the middle of Earth
10
Largest ocean on Earth
12
Body of water surrounded by land
13
Largest river in South America
Down
2
Height above sea level
3
Distance east or west of prime meridian
5
Cold treeless Arctic plain
6
Ridge of rock or coral near the surface
7
Land surrounded by water
11
Deep narrow valley with steep sides