Across
1
Deep narrow valley with steep sides
4
Flat grassland in tropical regions
5
City that is seat of government
7
Tool for finding directions
9
Imaginary line around the middle of Earth
10
Region between the two tropic lines
Down
2
Low-lying land surrounded by higher ground
3
Area where water covers the soil
6
Chain or group of islands
8
Land surrounded by water
11
Land surrounded by water on three sides
12
Line dividing two countries