Across
1
Region surrounding the North Pole
4
Deep narrow valley with steep sides
5
Imaginary line around the middle of Earth
6
Narrow sea inlet between cliffs
10
Line dividing two countries
12
Large area covered with trees
Down
2
Area where water covers the soil
3
Mountain that can erupt with lava
4
Long-term weather patterns of an area
7
Ridge of rock or coral near the surface
8
Tool for finding directions
9
Vast body of salt water
11
Land surrounded by water