Across
1
Steep rock face at edge of land
4
Long-term weather patterns of an area
6
Mountain that can erupt with lava
9
Land surrounded by water on three sides
10
Imaginary line around the middle of Earth
Down
2
Low-lying land surrounded by higher ground
3
Large slow-moving mass of ice
5
Physical features of land
7
Region surrounding the North Pole
8
Flat grassland in tropical regions