Across
1
Imaginary line around the middle of Earth
3
Ocean between Americas and Europe/Africa
7
Large slow-moving mass of ice
8
Height above sea level
9
Vast body of salt water
10
Chain or group of islands
11
Area where water covers the soil
Down
2
Deep narrow valley with steep sides
4
Ridge of rock or coral near the surface
5
Region near the equator
6
Cold treeless Arctic plain