Across
1
Mountain that can erupt with lava
4
Height above sea level
5
Largest hot desert in the world
7
Largest ocean on Earth
8
Chain or group of islands
10
Deep narrow valley with steep sides
11
Distance north or south of equator
Down
2
Line dividing two countries
3
Large natural elevation of earth
6
Piece of land jutting into the sea
7
Total number of people in an area
9
Dry land with little rainfall