Across
1
Land surrounded by water
3
Half of the Earth
4
Large slow-moving mass of ice
6
Mountain that can erupt with lava
12
Deep narrow valley with steep sides
Down
2
One of seven major landmasses
5
Ridge of rock or coral near the surface
7
Narrow sea inlet between cliffs
8
Tool for finding directions
9
Imaginary line around the middle of Earth
10
Long-term weather patterns of an area
11
Land surrounded by water on three sides