Across
1
Large slow-moving mass of ice
4
Long-term weather patterns of an area
5
Ocean between Americas and Europe/Africa
8
Steep rock face at edge of land
9
Low area between mountains
12
Imaginary line around the middle of Earth
Down
2
Cold treeless Arctic plain
3
Low-lying land surrounded by higher ground
4
One of seven major landmasses
6
Region near the equator
7
Largest hot desert in the world
10
Ridge of rock or coral near the surface
11
Mountain that can erupt with lava