Across
1
Body of water surrounded by land
3
Largest hot desert in the world
7
Area where water covers the soil
8
Line dividing two countries
9
Flat grassland in tropical regions
10
Imaginary line around the middle of Earth
Down
2
Large slow-moving mass of ice
4
Half of the Earth
5
Mountain that can erupt with lava
6
Physical features of land
11
City that is seat of government
12
Deep narrow valley with steep sides