Across
1
Low-lying land surrounded by higher ground
4
Distance north or south of equator
5
Land surrounded by water
6
Dry land with little rainfall
9
Deep narrow valley with steep sides
11
Land surrounded by water on three sides
Down
2
Flat grassland in tropical regions
3
Wearing away of land by water or wind
4
Body of water surrounded by land
7
Chain or group of islands
8
Tool for finding directions
10
Imaginary line around the middle of Earth