Across
1
Region surrounding the North Pole
3
Body of water surrounded by land
7
Large slow-moving mass of ice
8
Deep narrow valley with steep sides
10
Large body of water partly enclosed by land
11
Ridge of rock or coral near the surface
12
Area where water covers the soil
Down
2
Imaginary line around the middle of Earth
4
Chain or group of islands
5
Ocean between Americas and Europe/Africa
6
Landform where river meets the sea
9
Large natural stream of water