Across
1
Flat elevated area of land
4
One of seven major landmasses
6
Deep narrow valley with steep sides
Down
2
Imaginary line around the middle of Earth
3
Mountain that can erupt with lava
5
Area where water covers the soil
7
Region surrounding the North Pole
8
Low-lying land surrounded by higher ground
9
Low area between mountains
10
Region near the equator