Across
1
Raised area of land, smaller than a mountain
4
Mountain that can erupt with lava
5
Region near the equator
5
Region between the two tropic lines
6
Deep narrow valley with steep sides
7
Physical features of land
8
Cold treeless Arctic plain
9
Wearing away of land by water or wind
Down
2
Large natural elevation of earth
3
Distance east or west of prime meridian
10
Imaginary line around the middle of Earth
11
Large slow-moving mass of ice