Across
1
Height above sea level
4
Deep narrow valley with steep sides
6
Imaginary line around the middle of Earth
8
Raised area of land, smaller than a mountain
11
Ridge of rock or coral near the surface
Down
2
Large slow-moving mass of ice
3
Region near the equator
3
Region between the two tropic lines
5
Region surrounding the North Pole
7
Flat elevated area of land
9
Physical features of land
10
Line dividing two countries