Across
1
Mountain that can erupt with lava
4
Largest hot desert in the world
5
Land surrounded by water
6
Imaginary line around the middle of Earth
8
Half of the Earth
10
Raised area of land, smaller than a mountain
Down
1
Low area between mountains
2
Body of water surrounded by land
3
Wearing away of land by water or wind
7
Large natural elevation of earth
9
Flat grassland in tropical regions