Across
1
Land surrounded by water on three sides
5
Long-term weather patterns of an area
6
Largest hot desert in the world
7
Wearing away of land by water or wind
9
Flat grassland in tropical regions
12
Flat elevated area of land
Down
2
City that is seat of government
3
Deep narrow valley with steep sides
4
Half of the Earth
5
Tool for finding directions
8
Ocean between Americas and Europe/Africa
10
Chain or group of islands
11
Large area covered with trees